Hazmat

How many different hazard classes are there?9
What placard must be used with an inhalation hazard load?Poison/ inhalation hazard
A truck carrying explosives has crashed with another vehicle. You should not pull them apart until?The explosives have been placed at least 200 feet away from the vehicles and occupied buildings
The shippers' package hazardous materials, they must certify that this was done according to the regulations. The only exception is when:The shipper is a private carrier carrying his or her own product
Which signals may be used to warn of a stopped vehicle that contains explosives?Reflective triangles
Class 8 is placarded as?A placard corrosive at 1001 pounds
The transport index of a radioactive material:Tells the degree of control needed during transportation
A properly prepared uniform hazardous waste manifest:Must be signed and carried by anyone transporting a hazardous waste
An "A or W" the first column of the hazardous materials table means:This material is only restricted when shipped by air and/or water
When is it necessary to ground the trailer?When filling or unloading any flammable liquid tank, ground must be maintained until filling hole is properly closed
The total transport index of all radioactive material packages in a single vehicle must not exceed _____.50
Which of the following must drivers have in their possession while transporting class 1.1 or 1.3 explosives?The written route plan
On a public roadway with a placarded tanker hauling flammable liquids, when can you transfer from one tanker to another?In an emergency
If in a materials class is the word "forbidden", what kinds of materials are you still allowed to haul?You can't haul a forbidden cargo
What is the shape and size of a placard?at least a 250 mm square or diamond
When handling packages of explosives, you must:Never use hooks or other metal tools
Which of the following, if required, must the shipper put on the package.All the answers are correct
Whenever your vehicle is placarded, do not drive near open fires unless you:Can safely pass the fire without stopping
A hazard class name or ID number may not be used to describe a:Non-hazardous material
Column 1 or the symbols column the "I" means:International transportation
What action should you take if you discover your hazardous materials shipment leaking at a rest stop but there is no phone available?Send someone for help with all the necessary information.
In what location must you keep your shipping papers that describe any hazardous materials?On the driver's seat whenever you are out of the vehicle
You must never smoke or perform any activity involving fire within 25 feet ofClasses 1, 2, 3, or 4.
What is the purpose of a driver placarding their vehicle?To communicate risk
If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?Inform someone and do not load the battery acid.
The other two places where the hazardous material identification number must appear areon all bulk packaging and on the cargo tanks.
When there is a hazardous materials emergency, what should you do?Do both of the above.
Whose signatures must be on a Hazardous Waste Manifest?The shipper, all carriers, and the receiver
To obtain a hazardous materials endorsement, you must know how toplacard your vehicle.
A shipping paper for hazardous materials must includeboth of the above.

The driver must always also carry on his person a dated certificate signed by the employer. This certificate must also be updated every3 years
If an X or RQ is in the HM column of a shipping paper entry, the:Shipment is regulated by hazardous material regulations
When there is a hazardous materials emergency. You should:All answers are correct
The placard is shaped?Diamond
Which of the following choices is a hazard class you are not allowed to smoke around?All the answers are correct
Which of the following is one of the three keys to identify which placard to use?All the answers are correct
If there is an "RQ" before or after the item description on the shipping paper, it means the:Carrier must report any spill of this material
Symbol column, the letter "G" stands for?Identifies the proper shipping name for which one or more technical names of the hazardous material must be entered in parentheses, along with the basic description
Drivers of placarded vehicles transporting hazardous materials must stop _____ to _____ feet from the nearest rail of a railroad.15 to 50 feet
Carriers must give each driver who transports class 1.1 or 1.3 explosives:A copy of FMCSR part 397
Animals and human foodstuffs should not be loaded in the same vehicle with?Poisons
A safe haven is one place you can leave a vehicle unattended that is hauling explosives. What is the best description of a safe haven?Any property that has been government approved for this use
Who is responsible for finding out what permits or special routes you will need to haul hazardous materials?The driver
You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?Never
Nitric acid cannot be loaded:Above any other commodities
When shippers package the material, they are trying tomake it easy to identify.
To determine if you need to use placards, which of the following is NOT something you need to know?The manufacturing date of the material
Which of the following is NOT an acceptable type of marking for hazardous materials?Name in italics
Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater or air conditioner unit)?Classes 1, 2.1, and 3
What are the major differences between cargo tanks and portable tanks?All of the above are major differences.
The Hazardous Materials Table has ______ columns.eight
To communicate the risk of hazardous materials, shippers do all of the following EXCEPThave their drivers text their locations.
A hazardous material's identification number is determined bythe shipper.
You have loaded a hazardous material into a cargo tank. What must you do before you move the vehicle?Close all manholes and valves. Be sure they are free of leaks.
You have a vehicle without racks to hold cylinders or compressed gas. You may load such cylinders only if they areloaded upright or lying down flat and braced.
When transporting chlorine in cargo tanks, what must you have?Both of the above
When can the shipping name or the hazardous material identification number be abbreviated on the shipping paper?Only if regulations specifically authorize the shipper to do it
Your engine runs a pump when you are delivering compressed gas. After finishing the delivery, when should you turn off the engine?Turn it off before unhooking the hoses.
Which of the following materials are acceptable floor liners for transporting Division 1.1 or 1.2 materials?Non-ferrous metal
Where are the two main places that the hazardous material identification number appears?On the shipping papers and on the packages

You can't haul 1.1 explosives with?Radioactive material
When fueling a placarded vehicle, someone must always be:At the nozzle, controlling the fuel flow
What is Chemtrec's primary job?They coordinate and advise companies on spills; they also link up proper authorities with those companies
How many identical placards is a vehicle hauling hazardous materials required to display and where?Four, one on the front, one on the back, and one on each side of the vehicle
With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are?Explosives 1.1 through 1.3
Who is responsible for checking to be sure the shipper correctly named, labeled, and marked a hazardous materials shipment?The carrier
There are three lists that drivers, shippers and carriers use to find out if a material is regulated as hazardous. Which one of these choices is not one of those three lists?EPA dangerous materials list
Who is responsible for safely transporting a hazardous material shipment without delay and keeping the shipping papers in the right place?The driver
When a spill occurs of an "RQ" substance the carrier has within _____ to report the spill.30 days
You are going to be hauling hazardous materials over a route you do not know well. When should you check the route and get the permits needed for the trip:Before starting the trip
A placard is required for a combustible liquid at?More than 119 gallons
Column 1 or the symbols column the "D" sign means:Domestic transportation
What is a technical name?The name of a hazardous material used in scientific journals and texts, recognized as its chemical or microbiological name
Which of the following hazard classes uses a transport index to determine how much of it can be loaded on a single vehicle for transport?Class 7 (radioactive materials)
Which of the following are necessary qualifications for non-bulk packaging?All of the above
Why does the government regulate the transportation of hazardous materials?Because while being transported, they pose a risk to health, property, or safety
A properly prepared uniform hazardous waste manifestmust be signed by each carrier transporting the shipment.
Identification numbers are preceded by the letters "UN" or "NA." The letters "NA" are associated with proper shipping names that are used where?Within the United States and to and from Canada
You may not park a vehicle carrying hazardous materials within _____ feet of an open fire.300
What type fire extinguisher is required in the power unit of a placarded vehicle?A UL rating of 10 BC or above
To find out if a shipment includes a hazardous material, you should:Look at the shipping papers
Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:All answers are correct
You are hauling hazardous materials and you find that one of your tires is leaking. You must:Stop at the nearest safe place and fix it
Shipping papers must always be kept in one place when driving with hazardous materials. Where when wearing your seat belt?All Answers are correct
You have loaded a hazardous material into a cargo tank. What must you do before you move the vehicle?Close all manholes and valves, be sure they are free of leaks
The hazardous material identification numbers must be displayed on portable tanks, cargo tanks, and other bulk packaging. The regulations require black _______ numbers.100 mm
The Emergency Response Guidebook (ERG)does all of the above.
You should stop before crossing a railroad grade if your vehicle is carrying _______ of chlorine.any amount
If you are in an accident involving hazardous materials, you should:Keep all people far away and upwind of the accident
It is recommended that when hauling a load of explosives 1.1 or 1.3 to use the fusees instead of the warning triangles if in an emergency or breakdown situation?False

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?The shipper
Class 1.1 explosives must not be transported in a combination vehicle if the vehicle includes:A placarded cargo tank
A vehicle contains 500 pounds each of explosives 1.1 and 1.3, you must use:explosives 1.1 placards
A railroad crossing is ahead of you and you are hauling hazardous material. When you stop for the crossing, you can stop as far away as _____ feet from the nearest rail.50
The hazardous waste manifest should be?Tabbed differently and kept on top of all other paperwork
Column 1 or the symbols column the "+" sign means:The proper shipping name without regard whether the material meets the definition of that class
How often should you check the tires on a placarded trailer that has dual tires?At the start of each trip and every time you stop
Whenever you load or unload a cargo tank, a qualified person must bewithin 25 feet.
Containment rules specifyhow to package, load, transport, and unload hazardous materials safely.
Smoking must be at least _____ feet from most hazardous material?25
In the hazardous material table, column 3, any shipping name written in italics means?It isn't the proper shipping name, those in roman type above it are
If hazardous material is spilling from your vehicle, do not move your vehicle:Any more than safety required
How often must a driver that has the Hazmat Endorsement on their CDL retake the state Hazmat written test?Every five years when license is renewed
Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?Yes
You are transporting hazardous materials. When you are not behind the wheel, the shipping papers must be on the driver's seat orin the pouch on the driver's door.
Which of the following is the proper definition of a cargo tank?A bulk container permanently attached to a vehicle
A truck has hazardous material, when can it be moved without the placards on the truck?To protect life or property
The basic description of a hazardous material includes the hazard class, the id number, and the proper shipping name. Which one must appear first on the shipping paper?The identification number
A vehicle contains 500 pounds each of Division 1.1 explosives and Division 1.2 explosives. You must have"Explosives" placards.
When hauling hazardous materials, you must check any dual tiresat the start of each trip and each time you stop.
Which three hazard classes should not be loaded into a trailer that has a heater or air conditioner unit.All the answers are correct
The intent of hazardous materials regulations is to ensure safety, to contain the material, and:To communicate the risk
If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?At least 5 feet
Why must the shipper sign the shipping paper?To certify that it has prepared the shipment in accordance with regulations
You find an overheated tire during an enroute inspection. If you are hauling hazardous materials, you must:Remove the tire and place it a safe distance from the vehicle
The transport index of a radioactive material:Tells the degree of control needed during transportation
An "A or W" the first column of the hazardous materials table means:This material is only restricted when shipped by air and/or water
The intent of hazardous materials regulations is to ensure safety, to contain the material, and:To communicate the risk
Which of the following must drivers have in their possession while transporting class 1.1 or 1.3 explosives?The written route plan
There are three lists that drivers, shippers and carriers use to find out if a material is regulated as hazardous. Which one of these choices is not one of those three lists?EPA dangerous materials list

School Bus

What do the red flashing lights on an eight-light system bus signify to other drivers?The school bus is stopped to pick up or discharge pupils
While looking through the interior flat mirror the driver should have a clear view of?All the students on board
How far prior to a bus pick up location must the amber warning lights be turned on?200 feet
If an unruly student is threatening the safety of others how should you handle the situation?Pull bus to the side of the road and firmly explain the rules and regulations to the unruly student
The school buses stop arm is to only be operated with the:Red warning lights
If a bus is being operated on a divided highway or a highway with four lanes or more which of the following describes the procedures for pick up and discharge of students?The students can only be picked up or dropped off on the resident side of the road
When leaving a freeway, you should begin to slow down?100 feet in advance
When is it required to stop a bus, look, listen, open the driver's side window and service door?Whenever the bus is stopped at a railroad crossing
In flat mirrors you should see?200 feet behind
During your pre-trip vehicle inspection test, make sure thatboth of the above are true.
Which of the following statements is true about students who must cross in front of the bus after exiting it?When the driver signals that it is safe to proceed, the students should cross the street while remaining in the driver's view.
A passive railroad crossingdoesn't have any type of traffic control device.
As part of your vehicle inspection test, you will have to check _________ to be sure that it is undamaged, operating smoothly, and able to be closed securely from the inside.an emergency exit
Properly adjusted, the outside left and right side convex mirrors will let you seeboth of the above.
You can change the location of a school bus stoponly with the written approval of the school district.
When you inspect the battery and battery box during your pre-trip vehicle inspection test, make sure thatboth of the above are true.
The left and right danger zones extend up to _______ from the left and right sides of the school bus.10 feet
When driving a school bus in high winds, you shouldkeep a strong grip on the steering wheel and try to anticipate gusts.
The convex, crossover, and flat mirrors should be viewedin a logical sequence to ensure that a child or object is not in any of the danger zones.
What is the "golden rule" for school buses when approaching and crossing railroad tracks?Stop, look, and listen.

Which of the following people can remove or suspend a student from riding the bus?The school principal, superintendent, or the superintendent's designee
What would be considered proper procedure at a highway railroad crossing?Both of the above
When getting onto a highway you should?Keep your eyes on the car in front of you and watch mirrors for gaps
When is the use of alcohol, tobacco, and non-prescription drugs allowed on the school bus?Never
What do Anti-Lock Brakes do?Prevent breaks from locking up when hard pressure is applied
While the bus is running when is the driver allowed to exit the bus?Never
Which of the following statements about evacuation procedures is true?If time allows, notify the dispatch office about your situation, your location, and the type of assistance you need.
When unloading students at a school, you shouldtell the students to remain seated until they are told to exit.
The blind spot behind the bus may extend up to ________, depending on the length and width of the bus.400 feet
When can you put a misbehaving student off the bus?Only at school or the student's designated bus stop
Before leaving, make sure the students are in plain viewat least 10 to 15 feet away from the side of the bus.
You have stopped your bus to load students. Before you signal them to approach the bus, you shouldcheck for traffic once more.
Why is it so critical for you to understand the loading and unloading procedures?Because so many students are killed each year while getting on or off school buses
In an emergency, you should consider NOT evacuating students from your school busin either of the above situations.
To load students after you have stopped the school bus,count the number of students at the bus stop and make sure that all of them board the bus.
Which school bus accidents should be reported?All
Who is responsible for handling discipline problems on your school bus?You
An active railroad crossing isa railroad crossing that has a traffic control device.
The tail swing of a school bus can be as much as3 feet.
In addition to spare electrical fuses (if equipped), three red reflective triangles, and a working fire extinguisher, emergency equipment for a school bus includesa first-aid kit and a body fluid cleanup kit.

How could one distinguish a blind person among other pedestrians?Will be carrying a white cane
When, according to the pupil transportation operation and safety rules, are the four-way hazard lights supposed to be used?All answers are correct
When is the only time the red warning lights can be used?Whenever the bus is picking up or discharging students
Front tire tread depth should be at least?4/32"
What color are all school buses painted?National School Bus Glossy Yellow
When several students are exiting the bus, the driver should count the students, if one is missing?Get off the bus and locate the student
Before you proceed through a railroad crossing, make sure that your bus will have enough containment to completely clear the railroad tracks. As a general rule, adequate containment isthe length of the bus plus 15 feet.
What is the most important reason for performing a school bus inspection?For safety as required by federal, state, and local laws
During your post-trip inspection of your school bus, you should checkfor mechanical or operational problems.
In most states, school buses are equipped with ________ warning light system to control traffic at school bus stops.an eight-light
The front danger zone extends up to ________ from the front bumper of the school bus.30 feet
When approaching a school bus stop, you shoulddo both of the above.
Is the bus driver allowed to pick up or discharge students at other than their assigned locations?Only if the school district allows and a written note from a parent has been received
Who is the person responsible for the daily pre-trip bus inspections?The school bus driver
Students may never walk within how many feet of the bus at any time?10
After you decide on the best type of evacuation, what must you do next?Secure the bus.
Most states require school bus drivers to take a physical examinationannually
Which mirrors let you view the front danger zone?The crossover mirrors
During your vehicle inspection test, you must check that the entry door is undamaged. Also check that itoperates smoothly and closes securely from the inside.
During your vehicle inspection test, if your school bus is equipped with a handicap lift, you should checkthat no parts are missing, leaking, or damaged and the lift is fully retracted and latched.

When under the age of 21 years old a driver will be considered intoxicated at?Zero Tolerance
The right front mirror should be adjusted to see?The right front tire meeting the ground
You MUST evacuate everyone from your school bus ifthe bus is stalled on a railroad track but there is no train in sight.
Immediately after stopping, you should firstactivate the alternating flashing red lights and ensure that the stop arm is extended.
If a railroad crossing signal is malfunctioning, you shouldcall your dispatcher and ask for instructions.
At a railroad crossing, you must stop at the stop line. If there is no stop line, you must stopbetween 15 and 50 feet from the nearest rail.
You're about to unload students at a bus stop. Tell them that once they've exited the bus, they shouldwalk 10 to 15 feet from the side of the school bus.
When loading or unloading students, you should check your mirrorsconstantly
When approaching a railroad crossing you should turn on the hazards?At least 200 feet from the railroad crossing
When is the most dangerous time during a bus ride?Loading and unloading students
Which of the following statements about the special dangers of loading and unloading is true?Tell students to leave any dropped objects, move out of the danger zones, and get your attention to retrieve the objects.
When approaching a bus stop on a multilane roadway, you should maintain your position _________ of the rightmost lane.toward the right edge
While you're loading students, if you cannot account for a student, what should you do?Secure the bus, take the key, and check around and underneath the bus for the student.
How can a driver determine if a bus is equipped with Anti-Lock Brakes?When the key is turned on an ABS. light will come on and off
If the bus is on fire, you mustevacuate the students upwind of the bus.
Is the bus driver allowed to crack or open the service door prior to stopping to pick up a pupil?No
You should activate your alternating flashing amber warning lights ________, depending on the laws and regulations of your state.100 to 300 feet before the school bus stop
As part of your post-trip inspection of your bus, check for each of the following EXCEPTdirt or shoeprints on the floor.
In an emergency, you MUST evacuate everyone from your school busin either of the above situations.
When turning around at a railroad crossing a driver should?Turn on hazards

Passenger

You must stop your bus between:15 to 50 feet before a railroad crossing
You need to evacuate your bus in an emergency, passengers should be directed to a safe place no less than _____ feet from the bus.100
Off tracking of the rear wheels is affected by:All answers are correct
Your bus is disabled. The bus, with riders aboard, may be towed or pushed to a safe place only:If getting off the bus would be riskier for the riders
When driving at more than 40 mph, what is the safe minimum following distance for ideal daytime conditions?One second for every 10 feet of vehicle length rounded upward plus one second
If you have riders aboard, you must never fuel your bus:In a closed building
Carry-on baggage cannot be stored:In the aisle
The driver's seat should be adjusted:Only when the bus is at a stop
Buses may have recapped or re-grooved tires:Anywhere except on the front wheels
When you are not sure who has the right of way, the safest course of action is to:Let the other driver have the right of way
Commercial bus drivers must have a CDL if:They drive a vehicle that is designed to carry more than sixteen passengers including the driver
The interlock system for the brake and accelerator on a transit coach may be used:As a safety feature when the exit door is open
According to federal regulations, the minimum depth required for tire tread on steering axle tires is _____ of an inch.4/32
Which of these forms of signaling is not recommended?Signaling to others that it is safe to pass your bus
The standee line is:A two-inch line on the floor to the rear of the driver's seat
All the following should be in good working order before driving. Which item must be in good working order before the bus can leave?Service brakes
At the end of each shift you should:All answers are correct
Before you start to drive, you must inspect all of the following EXCEPTthe AM/FM radio.
The traffic light on a drawbridge is green. You shouldslow down and make sure it's safe to proceed.
If you are performing your vehicle inspection test on a coach or transit bus, you will have to inspect the baggage compartments and make sure that the baggage compartment doors ________ securely.latch
Bus accidents often happenat intersections.
When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?15
When should you check your mirrors for a lane change?All of the above
When transporting passengers on charter or intercity buses, you should explain passenger comfort and safety rulesbefore the trip.
Which of the following statements are true?Both of the above are true.

Federal regulations set an axle weight limit of _____ pounds on a tandem axle that is four feet apart.34,000
At drawbridges with no signal you must stop at least:50 feet before the draw of the bridge
A bus may carry baggage or freight only if it is secured so that:All answers are correct
In general, standees on a bus are not permitted:In front of the standee line
Rules require shippers to mark containers of hazardous materials with:All answers are correct
The following are some situations that require special attention from all drivers. Which one is an even bigger problem for the driver of a vehicle with a low ground clearance?Humps or dips in the road
A straight vehicle weighing 20,000 pounds which hauls 20 passengers falls into which CDL class:C
Prohibited practices on the bus include:All answers are correct
You must put a loaded bus into motion from a stopped position on a steep upgrade. Which of these is the best technique to follow when you have a bus with a manual transmission?Slowly release the clutch while releasing the parking brakes
You may sometimes haul small arms ammunition, emergency shipments of drugs, or hospital supplies on a bus. The total weight of all such hazardous materials must not be greater than _____ pounds.500
Which of these is a good rule for backing a straight bus?No answer is correct
How are buses to handle most railroad grade crossings?Come to a complete stop before crossing
Which of the following statements about hazardous materials are FALSE?You can carry any hazardous materials on your bus as long as they are properly labeled.
If a passenger is drunk or disruptive, you maydo any of the above.
Always check the interior of the bus before driving to ensure rider safety. What are you looking for?All of the above
To prevent theft and vandalism on a charter bus,do not allow riders on the bus until departure time.
When pulling out of a bus stop,watch for poles and tree branches.
Which of the following answers lists the three types of emergency equipment you must have on your bus?Fire extinguisher, spare electrical fuses, and emergency reflectors
Do to the extreme size of a bus, the driver must watch for:All answers are correct
When do you sign post inspection reports?After it is certified and there are no repairs needed

Which of these statements about speed management is true?You should be able to stop within the distance that you can see ahead
If a rider wants to bring a car battery or a can of gasoline aboard your bus, you should:Not allow them to do it
When arriving at the destination announce:All answers are correct
In a pressurized cooling system, coolant level should be checked:No answers are correct
When hauling hazardous material on a bus, the total weight for any one type of substance cannot exceed?100
If your bus has an emergency exit door, it must:Be secured when operating the bus
When must a driver's inspection report be completed?At the end of every work day
Federal regulations do not allow a driver to drive if he or she is:Ill or impaired, and the condition interferes with the ability to drive safely
Which of the following types of cargo can never be carried on a bus with riders?Tear gas
You do not have to stop but slow down at:All answers are correct
An oncoming vehicle keeps its high beams on. You should deal with this hazard by:Looking to the right side of your lane
In general, the best braking technique to use in maintaining a safe speed when driving on a downgrade is:Use the snub braking method
Which of these statements about gear ranges in buses with automatic transmissions is true?Lowest ranges should be used for greater engine braking on downgrades
The proper time to cancel your turn signal for a lane change or turn is:When the maneuver is complete
If your bus becomes disabled on a freeway or expressway and you must stop on the left side of the road, it is best to stop so that the bus is:At an angle to traffic with the front door facing the downstream side of traffic
Which of the following must be closed while the bus is in motion?Emergency windows
If your bus leans toward the outside on a banked curve, you are:Driving too fast
How many folding aisle seats are allowed in a bus?0
While crossing railroad tracks, you should _________ if your bus has a manual transmission.not shift gears
During your pre-trip inspection, you should sign the previous driver's report only if no defects are listed on it.the defects listed on it have been certified as either repaired or not needing to be repaired.

Can a bus carry 100 pounds each of class 1, class 3, class 4, and class 5 hazardous materials?Yes
Which of these statements about speed management and braking is true?You need about four times as much braking distance at 40 mph as at 20 mph.
You do not have to stop _________, but you must slow down and check for other vehicles.at a streetcar crossing
It is best to wear your seat belt:always
Which of these is the best general rule for night driving?Increase the normal daytime following distance by one second
Buses may carrySmall arms ammunition labeled ORM-D
As the driver of a bus, how can you best avoid hindering other traffic on the highway?By staying in the right-hand lane
The posted speed on a curve issafe for cars in good weather.
Which of the following statements about the roof hatches is true?You can lock the roof hatches in a partly open position for fresh air.
Charter drivers should:All answers are correct
A disruptive passenger:Should not be discharged where it would be unsafe for them
When it is carried on a bus, hazardous material must be:Labeled
You must be alert for road hazards so thatyou will have time to plan your escape if the hazard becomes an emergency.
Before leaving your stop, you shouldwait for a sufficient gap in traffic.
When you inspect your bus, you must make sure that:All answers are correct
Charter bus drivers shouldremind riders to take carry-ons with them whenever they get off the bus.
Which of the following statements about the interior of a bus is FALSE?If you use your outside lights, you don't need to turn on the red emergency door light.
When the roads are slippery you should?Keep much more space than in ideal driving conditions
Which seats must be equipped with a seat belt?The driver's seat
You have passed all the requirements for a class B bus driver's license. Which of these vehicles are you not license to drive?Class A bus

Double/Triple

You should check the height of the trailer before connecting a converter dolly to a second or third trailer. The trailer height is right when:The trailer will be raised slightly when the converter dolly is backed under it.
The best way to stop all skids is to:Restore traction to the tires
When does the drivers manual advise disconnecting the steering axle brakes to help keep the rig straight?Never
When driving with more than one trailer, which trailer should be the first one behind the tractor?The heaviest trailer
Driving a truck with double or triple trailers requires a driver to:Do both things
Which of these will result in the best control on curves?Slowing to a safe speed before entering the curve, then accelerate slightly during the curve
You are driving a 100' vehicle with double trailers at 30 MPH. The road is dry, and visibility is good. You should keep at least _____ seconds of space ahead of you:10
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:Use controlled or stab braking
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _____.Closed, latched
A converter dolly isa coupling device that connects a semitrailer to the rear of a tractor-trailer.
If a converter dolly has spring brakes, you release the brakes byusing the dolly's parking brake control.
You have connected the converter dolly to the front semitrailer and then connected the rear semitrailer to the converter dolly. How should you test the coupling?Pull against the rear semitrailer's pin.
To test the tractor protection valve, charge the trailer air brake system, turn off the engine, andstep on and off the brake pedal several times.
If your landing gear is power operated, you should check for ________ during your walk-around inspection.leaks of air or hydraulic fluid
Coupling a triple trailer is different from coupling other combinations becauseyou couple the third trailer to the second trailer before you couple them to the first trailer.
The tractor protection valve is designed to close automatically when the air pressure falls into the pressure range specified by the manufacturer, typically20 to 45 psi.
In order, the four steps to test your trailer's service brakes are as followsCheck for normal air pressure. Release the parking brakes. Pull forward slowly. Apply the trailer brakes, using the hand control if so equipped.
If your test of the tractor protection valve is successful,the tractor protection valve control (trailer air supply control) will pop out or go from "normal" to "emergency."
To uncouple the rear trailer, the first thing you do ispark the vehicle in a straight line on firm level ground.
A converter dolly with antilock brakes (ABS) is required to havea yellow lamp on the left side.

You are driving a 100-foot twin trailer combination at 50 mph. The road is dry, and visibility is good. You should keep at least _____ seconds of space ahead of you.11
Some large trucks have convex or spot mirrors.Make things look smaller and farther away than the really are
Which of these statements about managing space to the sides is true?You should avoid traveling next to others when possible
Which of these statements about handling of doubles and triples is true?A sudden movement with the steering wheel can result in a tipped over rear trailer
When should you check your mirrors while making a lane change?All answers are correct
Before you can supply air to the air tanks of a second trailer you need to:Open the shut off valves at the rear of the first trailer, and close the shut off valves at the rear of the second trailer
If you must drive through deep puddles or flowing water, which of these should you not do?Drive though quickly
During an inspection of a double or triple combination, check the usual things for any combination vehicle and checkthe shut-off valves, the converter dolly or dollies, and the air brakes on all trailers.
When you pull two or three trailers, you should look farther ahead becausethe vehicle is more likely to roll over or jackknife.
If you want to couple a second trailer to your combination vehicle, secure it by using?Either answer can be correct
Which of these statements about quick steering movements and doubles / triples is true?Doubles / triples flip over from quick steering movement easier than many other vehicles
The best way to keep brakes from overheating while going down a steep grade is to:Go 5 MPH below your safe speed
Converter dollies:Often do not have spring brakes
You are driving a set of doubles, and a set of trailer wheels goes into a skid. Which of these is most likely to occur?A trailer jackknife
Antilock brakes (ABS) have been required on all converter dollies built sinceMarch 1998.
Why must you inspect your double or triple combination vehicle more extensively than a vehicle with only one such semitrailer?There are more critical parts to check.
Which of these statements about seeing ahead is true?All answers are correct
The crack the whip effects trucks with trailers. Which of the following is most likely to tip over?The rear trailer of a triple
A converter dolly consists of a ______ wheel and ________ axles.fifth; one or two
The first step in uncoupling a converter dolly isto lower its landing gear.

How can you be sure you supplied air to a second trailer?Go to the rear of the second trailer and open the emergency line shut off
If a converter dolly is still under the second trailer and you unlock the pintle hook, what will probably happen?The dolly tow bar may fly up
You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?None
When you uncouple twin trailers, the last step is toslowly pull clear of the converter dolly.
Converter dolliessometimes do not have antilock brakes.
You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:Supply air to the trailer air system with the tractor and then disconnect the emergency line
Empty trucks:May have poor traction due to bouncing and wheel lockup
When parking your double or triple combination, you should look for a parking spacethat you can pull straight through.
With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the rig. When you do this, you should hear:Air escapes from the open valve
Which of these in not a good thing to do when driving on slippery roads?Use the engine brake or speed retarder
Double and triple combination vehicles are ________ stable than other types of commercial vehicles.less
You are driving a 100-foot twin trailer combination at 50 mph. The road is dry, and visibility is good. You should keep at least _____ seconds of space ahead of you.11
Which of these in not a good thing to do when driving on slippery roads?Use the engine brake or speed retarder
Which of these will result in the best control on curves?Slowing to a safe speed before entering the curve, then accelerate slightly during the curve
You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:Use controlled or stab braking
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _____.Closed, latched
During an inspection of a double or triple combination, check the usual things for any combination vehicle and checkthe shut-off valves, the converter dolly or dollies, and the air brakes on all trailers.
You have connected the converter dolly to the front semitrailer and then connected the rear semitrailer to the converter dolly. How should you test the coupling?Pull against the rear semitrailer's pin.
The first step in uncoupling a converter dolly isto lower its landing gear.
Why must you inspect your double or triple combination vehicle more extensively than a vehicle with only one such semitrailer?There are more critical parts to check.

Tanker

Hauling liquids in tankers requires special care for two reasons. One reason is the _____ center of gravity that tankers have.High
You are driving a tank truck and the front wheels begin to skid. Which of these is most likely to occur?You will continue in a straight line and keep moving forward no matter how much you steer
How far back does a helper stand when pumping or unloading liquids from a tanker?25 feet
Outage means:Allowance for expansion of liquid
Side to side surge can cause:Roll over
You need to be extremely cautious when driving smooth bore tankers. This is especially true when you are:Starting or stopping
Liquid in a tank with baffles can have what kind of surge?Side to side
When your cargo tank has baffles, what handling effect do you expect?There will be less front to back surge than there is in tanks without baffles
Which of these statements about stopping distance and speed is true?Wet roads can double stopping distance at any speed
Which of these statements about tankers and their center of gravity is true?Both of the above
You must have a tank vehicle (N) endorsement to drive a vehicle withindividual tanks over 119 gallons or a total of at least 1,000 gallons.
When should you inspect a tank vehicle?Before loading it, driving it, or unloading it
To control surge, what is the best way to brake?Keep a steady foot on the brake and don't release the brake too soon.
When must a tank be un-baffled?If it has to stay very clean
Which of these is the most important thing to remember about emergency braking?If the wheels are skidding, you cannot control the vehicle.
If you must make an emergency stop, brake so thatyour vehicle will stay in a straight line.
If your vehicle has any of the following equipment, what needs to work properly?All of the above.
If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet:the rear reflective triangle should be moved back down the road to give adequate warning
When you load the small tanks of a cargo tank equipped with bulkheads, you should check your:Weight distribution
When you unload the smaller tanks of a tank with bulk heads, be careful to check the:Distribution of weight

How would you expect a truck with a cargo tank that has baffles to handle on the road?There will be less front to back surge than there is in a tanker without baffles
Separations between compartments inside tanks that have openings or holes in them are called?Baffles
An emergency forces you to stop your tanker quickly or crash. You should:Use controlled or stab braking
The best way to take a curve with a tanker is to slow to a safe speed before entering the curve, then _____ as you go through it.Accelerate slightly
When loading a tanker that has 3 or 4 valves at the bottom of the tanker, you should have the valves?Closed
Outage depends onthe type of liquid.
If you steer quickly while braking, your tanker mayroll over.
You may not be able to fill the tanks completely becauseboth of the above are true.
What should you do if you get stuck on the railroad tracks?Get out of your vehicle and away from the tracks.
A vehicle placarded for hazardous materials must have placards on ____ sides.four
How can you start moving without rolling backward?Do all of the above
You should know the outage needed for the liquids you carry because?Some liquids expand more than others when they get warm
You are driving on a clear night, you must dim your headlights from high to low, and should adjust your speed so you can stop within:The distance you can see ahead
Empty trucks:May require longer stopping distances than full ones
Baffles in liquid cargo tanks do not usually prevent the movement of surge from:Side to side
Liquid tight separations between compartments inside tanks are called:Bulkheads
The movement of the liquid in partially filled tanks is calledsurging
A tank endorsement is required for certain vehicles that transportliquids or gases
When loading a tank with bulkheads, don't put too much weight on ________ of the vehicle.the front or the rear
On a long or steep downgrade, once you have reached your "safe" speed, brake until you are traveling5 mph slower.

Manhole covers should beclosed before you drive the vehicle.
If you do not have an automatic tank drain, when should you drain your air tanks?At the end of each working day
Exactly how should you inspect your tank vehicle?Read the vehicle's manual to learn how to do it.
A smooth bore tank is also known asan un-baffled liquid tank.
Liquid surge is especially dangerouson slippery roads.
Which of these statements about emergency steering and tankers is true?When making a quick steering movement, do not apply the brakes
You should be extremely cautious when driving smooth bore tankers, especially when you are:Starting or stopping
If you drive a tank vehicle that you know is leaking, you mayreceive a citation and be prevented from further driving.
If your vehicle is placarded, you must stop _______ feet before the nearest rail at a railroad crossing.15 to 50
To correct a drive-wheel braking skid, you shouldstop braking, turn quickly, and counter-steer.
When pre-tripping your tanker you should check for?Leaks
What does liquid surge do to the handling of a tanker?Surge can move the truck in the direction the liquid waves move
When hauling 2 tankers, where should the weight be carried?To the front
You should know that your brakes are fading when:You must push harder on the brake pedal to control your speed on a downgrade.
The amount of liquid to load into a tank depends on:All answers are true
Which of these statements about managing space to the sides is true?You should avoid traveling next to others whenever possible
Hauling liquids in tank vehicles requires special care for two reasons. One reason is:Liquid movement
Loaded tankers are said to have a high center of gravity. What does this mean?Much of the tanker's weight is high up off the ground.
A tanker has lost its brakes. When should the driver use a truck escape ramp?Always
When hauling hazardous materials, you must check any dual tiresat the start of each trip and each time you stop.