Class C CDL with Hazmat Endorsement Practice Test -4

Question 1

As a commercial driver, when should you wear seat belts?

Accepted Answer

10 years.

Answer

20 years.

Answer

Year

Answer

5 years roughly.

Question 2

If you have committed three serious traffic violations within a three-year period involving a CMV, you will likely lose your CDL at least _______ days.

Accepted Answer

Any time you are operating a moving vehicle.

Answer

Only when you are travelling on a highway.

Answer

Only when transporting agricultural products.

Answer

Only in states where it is required by law.

Question 3

If you have committed your first violation of an out-of-service order, you will likely lose your CDL for ____ days.

Accepted Answer

120

Answer

90

Answer

60

Answer

45

Answer

30

Question 4

You must have a CDL to operate ________.

Accepted Answer

180

Answer

60

Answer

90

Answer

30

Question 5

When driving down a steep hill, you will need to make sure you maintain the proper speed to stay in control of your vehicle. Which of the following will affect how fast you should drive?

Accepted Answer

All of the listed answers.

Answer

Any size vehicle which requires hazardous material placards.

Answer

Any single vehicle with a gross vehicle weight rating of 26,001 pounds or more.

Answer

A vehicle designed to transport 16 or more passengers (including the driver).

Question 6

Objects in a convex mirror appear ______.

Accepted Answer

All of the listed answers.

Answer

Steepness of the grade.

Answer

Total weight of the vehicle and the cargo.

Answer

Road conditions.

Answer

Length of the grade.

Question 7

Crossbuck signs require you to ______.

Accepted Answer

Smaller than if you were looking at it directly.

Answer

Upside down.

Answer

Exactly as if you were looking at the object directly.

Answer

Larger than if you were looking at it directly.

Question 8

When you're trying to correct a drive-wheel braking skid why should you stop braking?

Accepted Answer

Yield the right-of-way.

Answer

Accelerate your vehicle.

Answer

Honk your horn.

Answer

Turn off your engine.

Question 9

Why should you check the tire shortly after it's been changed?

Accepted Answer

This will let the rear wheels roll again and keep the rear wheels from sliding.

Answer

You shouldn't stop braking. You need to brake in order to regain control.

Answer

You need to stop braking because it's necessary for you to speed up.

Question 10

Every ____ miles (or every three hours, whichever comes first), you should make sure the cargo is secure.

Accepted Answer

To re-check the tightness of its nuts.

Answer

There is no reason.

Answer

Because this is the only way to check its air pressure.

Answer

It's the law.