MINNESOTA CDL PRACTICE TEST - GENERAL KNOWLEDGE

41. To avoid rollbacks when you start, you should:
release the parking brake only when you have applied enough engine power.
put on the parking brake whenever necessary.
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
All of the above.
42. When checking your mirrors you should:
not make regular checks.
only use the driver side mirror.
use both mirrors.
only use the passenger side mirror.
43. To prevent drowsiness before a trip, drivers should:
get adequate sleep.
avoid medications that cause drowsiness.
avoid scheduling trips for the middle of the night.
All of the above.
44. After a tire has been changed, the driver should stop a short while later to:
check the tightness of the nuts.
check tread separation.
decrease tire pressure.
deflate the tire to 10 psi.
45. When using a fire extinguisher, you should:
Aim at the flames.
Aim at the base of the fire.
Keep as close to the fire as possible.
All of the above.
46. Regardless of its size, cargo should have at least ___ tie-downs.
1
3
4
2
47. When checking the condition of wheels and rims during the pre-trip inspection, make sure that:
no more than two lug nuts are missing.
the end of the kingpin is even with the top of the fifth wheel.
no studs, spacers, clamps, or lugs are missing, bent, or broken.
All of the above.
48. When driving in a construction zone, if a construction worker is near the road, you should:
come to a complete stop.
further reduce your speed.
speed up.
maintain a constant speed.
49. when you apply the service brake at 5 mph, which of the following might indicate a problem?
The vehicle pulls to one side or the other.
The tongue/draw-bar is not bent.
The vehicle stops when the brake is applied.
All the other answers are correct.
50. Checking your vehicle's suspension system includes checking:
the tires.
the air suspension systems.
the mounting brackets.
All of the above.
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