CDL GENERAL KNOWLEDGE TEST (MA) - PRACTICE TEST

41. When driving at night you should:
keep the interior light on.
always use low beams.
use your high beams when it is safe and legal to do so.
All of the above.
42. When checking your mirrors you should:
only use the passenger side mirror.
not make regular checks.
only use the driver side mirror.
use both mirrors.
43. To make an emergency using the stab braking method, you should:
fully apply the brakes until the wheels lock up, then stay off the brake until the vehicle has slowed down.
apply firm pressure to the brake pedal and hold for 6 seconds, then pump the pedal three times.
apply your brakes all the way, release the brakes when the wheels lock up, and apply the brakes again as soon as the wheels start rolling.
apply the brakes as hard as you can without locking the wheels.
44. Front-end header boards:
block the forward movement of your cargo.
protect you from your cargo in case of an emergency stop.
protect you from your cargo in case of a crash.
All of the above.
45. If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
6 seconds
5 seconds
3 seconds
4 seconds
46. In the event of brake failure you should NOT:
use the parking brake.
shift up.
downshift.
pump the brakes.
47. Stopping distance can be affected by:
Time of day
Temperature
Speed
All of the above.
48. Federal, State, and local regulations concerning commercial vehicle weight, securing cargo, and covering loads vary widely. You should obey:
State regulations
Local regulations
Federal regulations
All of the above.
49. Regrooved tires:
cannot be used on the front wheels of buses.
cannot be used on the rear wheels of buses.
cannot be used on the wheels of buses.
None of the above.
50. Retarders:
improve gas mileage.
reduce braking distance.
reduce the danger of slipping.
help slow a vehicle, reducing the need for using brakes.
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