District of Columbia CDL Hazmat 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

Containers of hazardous materials must be:

Packed in larger brown-colored containers.
Braced to prevent movement during transportation.
Made of cardboard.
A maximum of four feet tall.

Q.2

In the Hazardous Materials Table, Column 2 lists:

The names of materials.
Where materials originate.
Special provisions for materials.
Materials' manufacturers.

Q.3

When refueling a vehicle that contains hazardous materials:

The engine should be left on.
The engine should be turned off.
The gas nozzle may be left unattended.
No other vehicles should be at the refueling station.

Q.4

When loading hazardous materials, you should do all of the following, except:

Set the parking brake.
Load the materials away from heat.
Watch for signs of leakage.
Use a hook.

Q.5

What shape is a placard indicating hazardous materials?

Diamond
Triangle
Circle
Octagon

Q.6

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.7

Who is responsible for identifying the hazard class of materials being shipped?

The shipper
The carrier
The driver
The mechanic

Q.8

If you are transporting explosives and your vehicle breaks down, you may notify other drivers:

With flares.
With electric lights.
By standing on the roadway and waving your arms.
By keeping the driver's side door open.

Q.9

If required, ____ identical placards must be placed on a vehicle.

Six
Eight
Two
Four

Q.10

How must a shipper notify a driver of the risks associated with their cargo?

By speaking with the driver
By writing a note on a blank piece of paper
By putting hazard warning labels on packages
By placing orange dots on packages

Q.11

The only way to properly check tire pressure is by:

Using a tire pressure gauge.
Eyeballing the tire.
Pushing on the tire with your hand.
Measuring the height of the tire.

Q.12

If the words "Inhalation Hazard" appear on a package, a ____ placard must be used.

Poison gas
Explosive
Radioactive
Danger

Q.13

The only way to properly check your tire pressure is by:

Using a tire pressure gauge.
Eyeballing the tires.
Pushing on the tires to feel the pressure.
Weighing the tires.

Q.14

If a package contains liquid containers, the package must display:

Arrows pointing in the correct upright direction.
A return address.
The number of containers inside the box.
The word "fragile."

Q.15

In general, when loading a tank with flammable liquids:

The engine should be running.
A ground should be established before opening the filling hole.
A ground should be broken right before opening the filling hole.
The filling hole should be locked during loading.

Q.16

What could indicate that a shipment you are accepting contains hazardous materials?

The cargo is stored in cylinder tanks.
The cargo is picked up from a supermarket.
The cargo is packaged in cardboard boxes.
The cargo has green packaging.

Q.17

Placarded vehicles must carry fire extinguishers with a minimum rating of:

10 B:C.
20 C.
10 A:B.
5 B:C.

Q.18

What must be included in emergency response information?

Risks of fire or explosion
Value of the materials
Driver information
Planned route

Q.19

An explosive material is most likely categorized as a ____ hazard.

Class 1
Class 3
Class 6
Class 7

Q.20

When a shipper packages hazardous materials, they certify that the package:

Does not contain hazardous materials.
Has been prepared in compliance with the rules.
Was packed at a specific location.
Will be placed on the trailer first.

Q.21

How do you label a hazardous material if the proper label will not fit on the material's package?

The label may be placed on a tag securely attached to the package.
A scannable QR code may instead be attached to the package.
The HazMat label should be reduced in size to fit on the package.
The label may be pasted to the wall of the trailer.

Q.22

On a shipping paper, if the letter “G” appears in Column 1, what else needs to appear?

The technical name of the hazardous material
The type of packaging containing the hazardous material
The shipper’s phone number
The date the product was packed

Q.23

When transporting hazardous materials, placards:

Should only be used with explosives.
Should be used on all four sides of a vehicle.
Should only be used by Class A licensed drivers.
Should be used to reduce insurance rates.

Q.24

When placing a placard:

It should be at least three inches away from any other markings.
It could be placed under a ladder if space is an issue.
It can be affixed to a background of similar color.
It can be upside down.

Q.25

Regulations require hazardous materials employees to be trained and tested how often?

Once every year
Once every three years
Once every five years
Once every 10 years

Q.26

Containers of nitric acid should be:

Stacked no more than two containers high.
Stacked to the ceiling.
Loaded on top of other products.
Loaded in the cabin.

Q.27

Regulations relating to hazardous materials are intended to protect all of the following, except:

You.
Those around you.
The environment.
Buildings.

Q.28

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

10 feet
25 feet
100 feet
1,000 feet

Q.29

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

A heater.
An air conditioner.
Other items.
Batteries.

Q.30

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 can proceed without stopping if no warning lights are flashing.
You can proceed without stopping if no other vehicles are within sight.

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