ALABAMA CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. To test your parking brake, do the following:
Speed up to 15 mph, then set the parking brake.
Speed up to 5 mph, then set the parking brake.
Set the parking brake while going downhill.
Set the parking brake, and gently pull against it in a low gear.
22. Stab braking cannot be used in vehicles with:
air brakes.
anti-lock brakes.
spring brakes.
parking brakes.
23. After starting the engine, oil pressure should rise to a normal level:
within 2 minutes.
within seconds.
within 3 miles.
within 6 minutes.
24. If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.
1 seconds
3 seconds
2 seconds
4 seconds
25. Checking your vehicle's suspension system includes checking:
the air suspension systems.
the tires.
the mounting brackets.
All of the above.
26. The distance you will continue to travel, in ideal conditions, before you physically hit the brakes in response to a hazard ahead is called:
Stopping distance
Braking distance
Reaction distance
Perception distance
27. When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
left; right
right; right
right; left
left; left
28. As your blood alcohol concentration (BAC) builds up, which of the following is affected?
Muscle control
Vision
Coordination
All of the above.
29. If you doubt you have enough space to pass under a bridge, you should:
turn on your headlights.
drive faster.
go slowly.
turn on your 4-way emergency flashers.
30. Blocking _______________ to keep it from sliding.
is used only in the back of a piece of cargo
goes from the upper part of the cargo to the floor
is used in the front, back, and/or sides of a piece of cargo
None of the above.
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