ALASKA CDL PRACTICE TEST - GENERAL KNOWLEDGE

The CDL general knowledge test is required to be taken by all CDL applicants. The Alaska 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 Alaska 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 AK 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. Strong winds can make it difficult to stay in your lane, especially when:

going into tunnels.
coming out of tunnels.
driving at speeds below 40 mph.

2. The distance you will continue to travel, in ideal conditions, before you physically hit the brakes in response to a hazard ahead is called:

Perception distance
Reaction distance
Braking distance

3. If coolant has to be added to a system without a recovery tank, you should:

wait until the engine has cooled before adding coolant.
keep the engine running while adding coolant.
turn the radiator cap quickly to the first stop.

4. Which of the following is NOT true?

ABS only comes into play when a wheel would have locked up because of over braking.
ABS will change the way you normally brake.
ABS won't compensate for bad brakes.

5. Parking brakes are:

required on all vehicles.
not required on commercial vehicles with air brakes.
not required on trailers.

6. The use of brakes on a steep downgrade is:

the main braking factor.
much more effective than the engine braking effect.
a supplement to the braking effect of the engine.

7. Which of the following is not proper tie-down equipment:

Chains
Ropes
Bungee cords

8. If your vehicle gets stuck on the railroad tracks, you should:

check for identifiable landmarks to give the location of the crossing.
get out of your vehicle and away from the tracks.
gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.

9. Using a helper when backing up is:

encouraged.
illegal.
dangerous.

10. To test your hydraulic brakes for leaks:

apply firm pressure to the brakes for five seconds, then pump them three times.
pump the brake pedal three times, then hold it down for five seconds.
turn off the engine and and listen for leaks.

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

ALASKA CDL PRACTICE TEST - GENERAL KNOWLEDGE

AK CDL Practice Test