CDL Hazardous
Materials Test

This is the Commercial Vehicle Driver's License Test covering Hazardous Materials. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is no time limit. You may not go back once you answer a question. Click the "Start Quiz" button below to begin. Good luck!

1 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

any more than 500 feet

any more that 450 feet

any more than safety required

in an upwind direction

2 / 40

What is the purpose of a driver placarding his or her vehicle?

giving people something interesting to look at while driving

forcing other drivers to stay 20 feet away in every direction

communicating risk

warning those with children to drive in another lane

3 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

a placarded cargo tank

none of these answers are correct

two or more trailers

a 200 inch wheelbase trailer

4 / 40

Which of the following statements about "Radioactive" labels is true?

Yellow III indicates the highest level of radioactivity

Yellow II indicates the highest level of radioactivity

Black III indicates the highest level of radioactivity

White I indicates the highest level of radioactivity

5 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

class 1 explosives, class 3 flammable liquids, and division 21 flammable gas

class 2 explosives, class 3 flammable solids, and division 21 inhalation hazard

none of these answers are correct

class 1 explosives, class 8 corrosives, and division 5 oxidizers

6 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

classes 1, 3, and 6

classes 1, 21, and 3

classes 1, 3, and 4

classes 1, 4, and 51

7 / 40

For Division 1.1 or 1.2 Explosives A, should the floor liner required be stainless steel?

any type of floor liner is sufficient

yes

never use a floor liner for any explosive class

8 / 40

A safe haven is:

the slang term for the last stop at the end of your driving day when carrying hazardous materials

a place where it is safe to dump any kind of hazardous materials

a place that has been approved to park unattended vehicles carrying explosives

a place to stay once you have reported your company for illegal activity

9 / 40

Which of the following is a necessary qualification for non-bulk packaging?

a maximum capacity of 450 l or less if it is used as a receptacle for liquids

maximum water capacity of 454 kg or less if used as a receptacle for gases

all of these answers are necessary qualifications

maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid

10 / 40

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

the list of hazardous materials and reportable quantities

the segregation and separation chart

the table of hazardous materials

the transport index and the separation distances table

11 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

leave your truck parked with emergency lights on and walk for help

keep driving, slowly and cautiously, until you reach a phone

keep driving for help as quickly as possible

send someone for help with all the necessary information

12 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

1 years

2 years

3 years

4 years

13 / 40

You must carry a gas mask with you when transporting:

poison

flammable materials

liquid gas

chlorine

14 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

the substance or material's hazard class

the manufacturing date for the materials

the amount of all hazardous materials of all classes in your vehicle

the amount of a substance or material being shipped

15 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

the hazard class

the identification number

the proper shipping name

the box number

16 / 40

It is very important that you never smoke around which hazard classes?

all hazard classes

corrosive, radioactive, dangerous, slippery when wet, inhalation

it is ok to smoke anywhere

explosives, flammable gas, oxidizers, flammable solids, flammable liquids

17 / 40

What are shippers trying to accomplish when they package the material?

make it easy to identify

make it easy to open and close

all of these answers are correct

make it as light as possible

18 / 40

Which of the following is the proper definition of a cargo tank?

a bulk container permanently attached to a vehicle

a bulk container not permanently attached to a vehicle

none of these answers are correct

a bulk container which can be securely affixed to a vehicle

19 / 40

What is the main difference between a portable tank and a cargo tank?

all of these answers are correct

cargo tanks are filled while on the vehicle, portable tanks are filled while off the vehicle

portable tanks must additionally show the owner or lessee's name on them

cargo tanks are permanently attached, portable tanks are temporarily attached

20 / 40

When transporting hazardous loads, you must check the tires at least:

every six hours

twice every day

every two hours or 100 miles

every 200 miles

21 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with corrosive materials

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking attended vehicles loaded with flammable materials

an approved place for parking unattended vehicles loaded with radioactive materials

22 / 40

To decide which placards you need, if any, what three things do you need to know?

packing group numbers, amount being shipped, and amount of all hazardous materials of all classes on your vehicle

materials hazard class, percentage of total volume, and amount of all hazardous materials on your vehicle

materials hazard class, amount being shipped, and amount of all hazardous materials of all classes on your vehicle

materials hazard class, location being shipped, and amount of all hazardous materials on your vehicle

23 / 40

The designation RQ identifies the material's:

regulatory quotient

regulatory quantity

reportable quantity

reference quotient

24 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

flares or fusees

reflective triangles

signal fires

all of these answers are correct

25 / 40

How many different hazard classes are there?

26 / 40

Which of the following statements about loading and unloading cargo tanks is false?

the person attending the tanker must have a clear view of it

the person in attendance must be authorized and able to move the vehicle

the person in attendance must be within 50 ft of the tanker

the person in attendance must be aware of the danger

27 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

only if you have more than 1,001 pounds of it

only in populated areas

yes

28 / 40

When there is a hazardous materials emergency. You should:

keep people away and warn them of the danger

all of these answers are correct

contact emergency authorities

prevent smoking and keep open flames away

29 / 40

In column 1, the "D" symbol means:

devices

domestic transportation

domestic restrictions

detonators

30 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

trucking, uniform hazardous waste manifest

licensed, manifest

registered, uniform hazardous waste manifest

responsible, papers

31 / 40

Which of the following is a reason that shippers package material?

because it is the shipper's responsibility to correctly label the transport vehicle with precautionary placards

because it is the shipper's responsibilty to choose the correct packaging for a material classified as "hazardous"

all of these answers are correct

because it is the shipper's responsibility to determine whether or not a material is hazardous

32 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

always

during an emergency

never

for hazards not described in the hazmat manual

33 / 40

If your engine runs a pump used during delivery of compressed gas, should you turn off the engine before or after unhooking hoses after delivery?

turn it off after product transfer, before you unhook the hose

turn it off before product transfer, before you hook the hose

none of these answers are correct

turn it off during product transfer, while unhooking the hose

34 / 40

In Column 1 the symbol "I" means:

invalid substance

international transportation

iodine

international restrictions

35 / 40

Of the following hazardous material classes, which is the most dangerous?

division 64

division 62

division 63

division 61

36 / 40

A "transport index" relates to products that are:

overweight

meant for human consumption

radioactive

liquid

37 / 40

You should turn off your engine when loading flammable liquid unless:

the material does not need a placard

you are a non-smoker

you need the engine to run the pump

you are loading at night and need the headlights

38 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

class 42 only

class 1 only

class 52 only

classes 1, 2, 3, and 4

39 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

minimum of 15 feet

minimum of 2 feet

minimum of 10 feet

minimum of 5 feet

40 / 40

To find out if a shipment includes a hazardous material, you should:

ask the driver

look at the shipping papers

check for a fence around the loading dock

open and inspect every package and container

Your score is

The average score is 90%

5/5 - (2 votes)

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CDL Hazardous
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