CDL Test (2024) - FREE WA CDL Practice Test

1. To prevent fire, you should:

inspect tires and cargo.
inspect the electrical, fuel, and exhaust systems.
All of the above.

2. Which of the following statements about hydroplaning is true?

Hydroplaning is less likely if tire pressure is low.
Hydroplaning is more likely if tire tread is worn.
Hydroplaning usually occurs at speeds lower than 30 mph.

3. What is a "header board"?

A safety device that protects you from your cargo in case of an accident.
The back door of the cargo compartment.
Another term for the brake camshaft.

4. Placards are:

signs placed on a vehicle to identify the hazard class of the cargo.
signs put inside a vehicle used to warn others of hazardous materials.
devices placed below a vehicle to improve traction.

5. If you have to drive off the road to avoid a collision, you should:

avoid braking.
stay on the shoulder until your vehicle has come to a stop.
All of the above.

6. ______ is responsible for the safe operation of a vehicle.

7. Rough acceleration can cause:

mechanical damage.
damage electrical and brake lines.
tire damage.

8. To prevent getting sleepy while driving, you should:

drive alone whenever possible.
keep the cab warm.
keep cool by opening the window.

9. When driving, you should:

check your mirrors regularly.
use your mirrors only when changing lanes.
avoid checking your mirros often.

10. If you have convex mirrors, be aware that:

objects seem closer than they really are.
everything appears smaller in a convex mirror than it would if you were looking at it directly.
in a convex mirror objects appears larger than they really are.

CDL PRACTICE TEST - GENERAL KNOWLEDGE (WASHINGTON)