2026 Free Alaska DMV Class A Combination Test 2 (20 Questions And Complete Answers)
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When coupling, you should:
1. Make sure to couple the proper glad hands.
2. Only couple one set of glad hands.
3. It is best to leave one glad hand loose.
1. Make sure to couple the proper glad hands.
2. Only couple one set of glad hands.
3. It is best to leave one glad hand loose.
Make sure to couple the proper glad hands.
In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
1. High traction.
2. Low traction.
3. No traction.
1. High traction.
2. Low traction.
3. No traction.
Low traction.
Rearward amplification refers to:
1. The amount of noise projected to the rear of the vehicle.
2. The cause of the "crack-the-whip" effect.
3. The number of trailers that can be pulled by one tractor.
1. The amount of noise projected to the rear of the vehicle.
2. The cause of the "crack-the-whip" effect.
3. The number of trailers that can be pulled by one tractor.
The cause of the "crack-the-whip" effect.
What does an Anti-Lock Braking System (ABS) do?
1. It allows a vehicle's wheels to lock up.
2. It prevents a vehicle's wheels from locking up.
3. It makes turning a vehicle easier.
1. It allows a vehicle's wheels to lock up.
2. It prevents a vehicle's wheels from locking up.
3. It makes turning a vehicle easier.
It prevents a vehicle's wheels from locking up.
If the emergency air line loses pressure:
1. The Anti-Lock Braking System will activate.
2. The service air line will activate.
3. The emergency brakes will activate.
1. The Anti-Lock Braking System will activate.
2. The service air line will activate.
3. The emergency brakes will activate.
The emergency brakes will activate.
When coupling a trailer:
1. Make sure to couple the proper glad hands.
2. Glad hands can be connected to any other glad hands.
3. Only one set of glad hands should be connected.
1. Make sure to couple the proper glad hands.
2. Glad hands can be connected to any other glad hands.
3. Only one set of glad hands should be connected.
Make sure to couple the proper glad hands.
Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
1. The trailer will stop normally.
2. The trailer will not have brakes.
3. The trailer will speed up.
1. The trailer will stop normally.
2. The trailer will not have brakes.
3. The trailer will speed up.
The trailer will not have brakes.
A combination vehicle has ____ air line(s).
1. One
2. Two
3. Three
1. One
2. Two
3. Three
Two
When backing a trailer, you must turn the steering wheel:
1. In the direction you want the trailer to move.
2. In the direction opposite of where you want the trailer to move.
3. To the left until backing is complete.
1. In the direction you want the trailer to move.
2. In the direction opposite of where you want the trailer to move.
3. To the left until backing is complete.
In the direction opposite of where you want the trailer to move.
The ____ trailer is the most likely to turn over if a driver takes a turn too quickly.
1. Front
2. Last
3. Middle
1. Front
2. Last
3. Middle
Last
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