CDL GENERAL KNOWLEDGE TEST (AL) - PRACTICE TEST

11. If ABS is not working, you should:
slow down and use a lower gear.
brake as you always have.
use the parking brake.
put on your 4-way emergency flashers.
12. When checking your mirrors you should:
only use the passenger side mirror.
only use the driver side mirror.
not make regular checks.
use both mirrors.
13. ______ is responsible for the safe operation of a vehicle.
The supervisor
The driver
The mechanic
The vehicle owner
14. If you are carrying a heavy load that is slowing you down, you should:
drive in the left lane.
keep the vehicle in third gear.
drive in the right lane.
drive on the shoulder.
15. For proper steering, steering wheel play should be no more than:
30 degrees.
50 degrees.
25 degrees.
10 degrees.
16. An anti-lock braking system (ABS):
helps you avoid wheel lock up.
helps you avoid skids caused by over braking.
should help you steer around an obstacle while braking.
All of the above.
17. Most hydraulic brake failures occur for one of two reasons, one of which is:
relying too much on the engine braking effect.
driving in cold weather.
excessive downshifting.
loss of hydraulic pressure.
18. What is the minimum tread depth for front tires?
1/2 inch
1/32 inch
3/8 inch
4/32 inch
19. An advantage of going right instead of left around an obstacle is that:
There is no real advantage.
Turning right comes more natural in emergency situations.
By turning right, you will force other drivers into an opposing traffic lane.
No one is likely to be driving on the shoulder, but someone may be passing you on the left.
20. Empty trucks require greater stopping distances. True or False?
True.
False.
True, but only on wet surfaces.
False, but only for trucks built on or after March 1, 1998.
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