CDL PRACTICE TEST (NC) - GENERAL KNOWLEDGE TEST

31. When backing you should:
not use a helper.
back and turn toward the right side.
use driver-side backing.
avoid making pull-ups to reposition your vehicle.
32. If the drive wheels begin to spin, you should:
accelerate smoothly and change gears as necessary.
apply your brakes all the way.
wait 4-5 seconds before applying the accelerator.
take your foot off the accelerator.
33. When changing lanes, you should:
not use your mirrors.
do it quickly.
not use your turn signals.
None of the above.
34. How do you test hydraulic brakes for leaks?
Pull forward against parking brake to make sure the hydraulic brakes holds.
Pump the brake pedal ten times and see if it holds.
Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
None of the above.
35. When backing, you should:
back and turn toward the right side.
use a helper if possible.
back quickly.
avoid using the mirrors.
36. Which of the following is NOT a reason for hydraulic brake failure?
Loss of hydraulic pressure
Stab braking
Brake fade on long hills
All of the above.
37. When driving at night you should:
use your high beams when it is safe and legal to do so.
keep the interior light on.
always use low beams.
All of the above.
38. When driving on slippery surfaces, you should:
make turns as quickly as possible.
not pass slower vehicles unless necessary.
change lanes often.
All of the above.
39. Why should you cover your cargo?
To protect the cargo from weather.
To protect people from spilled cargo.
Because spill protection is a safety requirement in many states.
All of the above.
40. Cargo tie-downs are used to:
prevent right-turn accidents.
prevent freezing.
keep cargo from shifting or falling.
prevent skidding.
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