NEW JERSEY CDL PRACTICE TEST - GENERAL KNOWLEDGE

41. To stay alert while driving, you should:
avoid medications that can cause drowsiness.
rely on caffeine.
never open the window or use the air conditioner.
All of the above.
42. Which of the following statements about cold medicines is true?
They are  over-the-counter drugs, therefore they can be used while driving.
They should only be used when driving during the daytime.
They may make the driver drowsy, therefore they should not be used while driving.
None of the above.
43. In ideal conditions, if you are driving at 55 mph your vehicle will travel a minimum of _______ until you can bring it to a complete stop.
At least 350 feet
419 feet
209 feet
250 feet
44. For an electrical equipment fire or a gasoline or oil fire, use:
a type A:B:C or B:C fire extinguisher.
a type D fire extinguisher only.
a type B:C fire extinguisher only.
water.
45. You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
Three
One
Two
None
46. Which of these is FALSE? The spare tire must:
be approved by the truck manufacturer.
not be damaged.
be properly inflated.
be the proper size.
47. When driving in heavy rain:
drive alongside other vehicles if possible.
avoid driving through deep puddles or flowing water if possible.
take curves at higher speeds and brake while in curves.
All of the above.
48. The maximum amount of play in a 20-inch steering wheel is:
5 inches
1/4 inch
2 inches
1/2 inch
49. Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
Rain
The weight of a cargo
Repaving of the road
Traffic
50. If you double your speed, your braking distance will be:
4 times longer.
8 times longer.
3 times longer.
2 times longer.
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