AR CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. Which of these describes the proper braking technique when driving on a long and steep downgrade?
Apply the brakes until your speed has been reduced to 5 mph, then release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
Release the brakes until your speed is 5 mph above your safe speed, then apply the brakes. When your speed has decreased to your safe speed, repeat the previous steps.
Apply the brakes. When your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
All of the above.
32. To keep the engine cool in hot weather, you should:
check v-belt tightness by pressing on the belts.
make sure the engine cooling system has enough water and antifreeze.
make sure there is enough engine oil.
All of the above.
33. The best way to test the trailer service brakes is to:
accelerate to the maximum possible speed, then apply the trailer brakes fully.
put the handbrake on when there are no vehicles around you.
pull forward quickly, then apply the trailer brakes with your hand control.
None of the above.
34. Longer combination vehicles have the tendency to swing wide on turns. This is called:
off-tracking.
jackknifing.
hydroplaning.
rollover.
35. The minimum tire tread depth for front tires is:
4/16 inch
8/32 inch
2/32 inch
4/32 inch
36. To make sure you always have overhead clearance, you must be aware that ________ may have reduced the clearances since the heights were posted.
water on the road
packed snow
warm temperatures
the weight of the cargo
37. When signaling what you intend to do, you should:
cancel your signal after you have turned.
signal continuously.
signal early.
All of the above.
38. If ABS is not working, you should:
use the parking brake.
brake as you always have.
slow down and use a lower gear.
put on your 4-way emergency flashers.
39. If confronted by an aggressive driver, you should:
try to stay in front of them.
make gestures.
react to gestures.
ignore gestures
40. If a worker is close to the roadway in a work zone, you should:
drive on the shoulder.
drive at the posted speed limit.
reduce your speed below the posted speed limit.
pull off the road and stop.
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