MA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

31. When driving at night, you should:
use dark lenses if possible.
drive slowly enough to see obstacles with your headlights.
look directly at the lights of oncoming vehicles.
put your own high beams on if other drivers don't put their low beams on.
32. Which of the following is NOT a good rule for using turn signals?
Signal well before you turn.
Put your turn signal on after the turn.
Cancel your signal after you have turned.
Signal continuously until you have completed the turn.
33. Which of the following is not a reason for covering cargo?
To protect the cargo from weather
To protect people from spilled cargo
To prevent other drivers from looking at the cargo
All of the above.
34. Checking the automatic transmission fluid level may require:
the engine to be running.
the 4-way emergency flashers to be activated.
you to pump the brake.
the vehicle to be parked downhill.
35. Emergency brakes must be held on by:
dynamic pressure.
mechanical force.
hydraulic pressure.
air pressure.
36. On a level surface:
you should use wheel chocks to hold the vehicle.
wheel chocks make it easier for the vehicle to roll.
wheel chocks should not be used when the brakes are very hot.
should never be used if the brakes are very wet.
37. If you are driving on a slippery road, you should:
decrease your following distance.
adjust your speed to conditions.
use ABS to improve traction.
apply the brakes during turns.
38. The minimum tire tread depth for all tires other than front tires is:
6/32 inch
1/32 inch
2/32 inch
4/32 inch
39. If your vehicle catches fire while you are driving, you should:
park in an open area.
increase your speed to put out the fire.
pull into a service station.
immediately open the van or trailer doors.
40. With low beams, drivers can see ahead about:
150 feet
15 feet
250 feet
100 feet
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