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ALASKA CDL PRACTICE TEST - GENERAL KNOWLEDGE

41. To avoid becoming a distracted driver you should:
adjust all vehicle controls and mirrors while driving.
not engage in complex conversations with others.
not turn off all communication devices.
42. In vehicles with air brakes, the air compressor governor:
controls how much air the air compressor will pump into the air storage tanks.
controls when the air storage tanks will pump air into the air compressor.
controls when the air compressor will pump air into the air storage tanks.
43. What should you do to test your hydraulic brakes for leaks?
Hold the brake pedal down for five seconds, then pump it three times.
Pump the brake pedal five times, then apply pressure for three seconds.
Pump the brake pedal three times, then apply pressure to the pedal and hold for five seconds.
44. Which of the following is a reason to cover cargo?
To protect the cargo from weather
To protect people from spilled cargo
All of the above.
45. In cool weather, as the temperature rises to the point where ice begins to melt:
the road will become more slippery.
black will makes the road look wet.
it is safe to drive.
46. You should carefully check for traffic:
When approaching a curve.
When driving through an intersection.
All of the above.
47. In mountain driving, to select a safe speed you should:
select a speed that's not too fast for the weight of your vehicle and cargo, the length and steepness of the grade, and road and weather conditions.
go 5 mph slower than the vehicle ahead.
follow the vehicle in front of you.
48. Confused drivers can be very hazardous. Clues to confusion include:
changing lanes for no apparent reason.
hesitation.
All of the above.
49. When the spring brakes are on, you should never:
push the brake pedal down.
upshift.
change lanes.
50. If you double your speed, your braking distance will be:
4 times longer.
8 times longer.
3 times longer.
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