Wyoming CDL Hazmat 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

When loading or unloading explosive materials, you should:

Keep the engine running.
Turn off the engine.
Use sharp-pointed tools to open the packages.
Toss packages.

Q.2

Placards showing the type of hazardous materials in a vehicle are usually shaped like what?

An octagon
A circle
A diamond

Q.3

As a driver, which of the following is not your job at the scene of an accident?

Keeping people away from the scene.
Taking heroic measures to put the fire out.
Communicating the danger of the hazardous materials to response personnel.

Q.4

A Class 7 hazardous material is:

Explosive.
Flammable.
Radioactive.
Corrosive.

Q.5

If loading corrosive materials, you should not:

Roll the containers.
Load the containers by hand.
Use the vehicle’s parking brake.

Q.6

Placards showing the type of hazardous materials in a vehicle are usually which shape?

A tall rectangle
A triangle
A diamond

Q.7

A placard identifying hazardous materials must be placed:

Inside the trailer.
Inside the cab.
On the outside of the vehicle.

Q.8

To know which placards to use, you need to know:

The hazard classes of the materials.
The types of containers holding the materials.
The destination.
The shipper.

Q.9

When trying to control a minor truck fire, what should you do before opening trailer doors?

Check to see if the doors are hot.
Throw water on the doors.
Remove your protective equipment.

Q.10

If transporting explosives:

You must have a written route plan.
You should take the shortest possible route.
You can always use tunnels.

Q.11

If corrosive materials leak in the trailer, the trailer should be:

Cleaned with acid.
Cleaned with water.
Left to air-dry without washing.
Cleaned with bleach.

Q.12

When approaching a railroad crossing while transporting chlorine:

You must stop before crossing the tracks.
You must reduce your speed before crossing the tracks.
You may proceed across the tracks without stopping if no warning lights are flashing.

Q.13

If there is a collision involving a vehicle transporting Class 1 explosives, the driver should:

Not warn others of the danger.
Allow smoking near the vehicle.
Keep the explosives inside the vehicle until after separating the vehicles involved in the collision.
Remove the explosives from the vehicle before separating the vehicles involved in the collision.

Q.14

What should be done if the third column of the Hazardous Materials Table contains the word “Forbidden?”

The indicated substance should not be transported.
The indicated substance should be transported by air.
The indicated substance should only be transported at night.
The indicated substance should be accompanied by a security guard.

Q.15

Shipping papers must include:

An emergency response telephone number.
The price of the materials.
The use of the materials.

Q.16

A person should not smoke within ____ of a vehicle placarded for Class 3 or Division 2.1 materials.

Five feet
25 feet
100 feet
1,000 feet

Q.17

If the words "Inhalation Hazard" appear on shipping papers:

An inhalation hazard placard must be used, but only if more than 100 pounds of the material are being transported.
An inhalation hazard placard must be used when any amount of the material is being transported.
Air masks must be provided to anyone handling the cargo.

Q.18

If transporting explosives, you may leave your vehicle unattended:

In a rest area.
At a truck stop.
On private property.
In a safe haven.

Q.19

When transporting hazardous materials, placards:

Should be lit up.
Should be used on all four sides of the vehicle.
Should be used only by Class A licensed drivers.

Q.20

A hazardous material's identification number should appear:

On the transporting vehicle's bumper.
On the material's packaging.
On a sticker near the material's shipping container.

Q.21

If cargo containing hazardous materials is leaking, the driver should:

Drive to find a phone to alert emergency personnel
Drive to a designated hazardous materials clean up facility
Park the vehicle and contact emergency personnel
Continue driving to the destination

Q.22

Class 1, Class 2.1, and Class 3 materials should not be placed in a trailer with:

A heater.
An air conditioner.
Other items.

Q.23

If a shipping paper describes both hazardous and non-hazardous materials:

The hazardous materials must be listed first.
The hazardous materials must be written larger.
The hazardous materials must be listed in red ink.

Q.24

In the event of a fire, what should you do before opening trailer doors?

Check to see if the doors are hot.
Throw water on the doors.
Find someone else to open the doors.

Q.25

If you notice a cargo leak, you can identify the leaking cargo:

By tasting it.
By touching it.
By using the shipping papers.
By rubbing it on your arm.

Q.26

When loading compressed gas, the liquid discharge valves should be:

Closed.
Greased.
Open.
Removed.

Q.27

The identification numbers assigned to chemicals can be found:

In the DOT Emergency Response Guide.
In the truck's manual.
In the Periodic Table of Elements.

Q.28

When loading containers of hazardous materials, you should not use:

Dollies.
Hooks.
Straps.

Q.29

If cargo is leaking, you should:

Touch the leaking material to identify the cargo.
Use shipping papers and labels to identify the leaking cargo.
Assume all the cargo is leaking.
Spray the leaking containers with water.

Q.30

If transporting chlorine, what must be kept in the vehicle?

A phone with emergency numbers programmed
An approved gas mask
A chemical suit
Directions for emergency personnel

0 h : 0 m : 1 s