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CDL PRACTICE TEST - GENERAL KNOWLEDGE (WASHINGTON)

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The CDL general knowledge test is required to be taken by all CDL applicants. The Washington CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Washington CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual WA general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
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.
The driver
The supervisor
The vehicle owner
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.
 
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WA CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
Number of questions: 50
Correct answers to pass:40
Passing score:80%
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