NJ CDL DOUBLES TRIPLES PRACTICE TEST
11.
If an item placed on a flatbed trailer is 7 feet long, it should have __ tie-downs.
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2
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3
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7
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1
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12.
Your mirrors should be adjusted so that:
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a part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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more than half of the mirror shows the vehicle.
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no part of the vehicle is visible in the mirror.
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13.
If your trucks has a high center of gravity, which of the following is true for curves?
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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You should travel at the posted speed limit.
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Reduce your speed to a crawl.
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None of the above.
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14.
The posted speed limit for a curve:
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may be too fast for many trucks or buses.
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is optional and may be exceeded.
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is safe for trucks or buses, but it may be too fast for cars.
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is safe for all vehicles.
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15.
When coupling, you should:
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make sure the sliding fifth-wheel is locked.
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be aware that wrong coupling and uncoupling can be very dangerous.
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make sure the trailer kingpin is bent.
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make sure the trailer wheels are not chocked.
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16.
Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
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greater; more
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less; more
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less; less
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greater; less
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17.
If you are feeling sleepy, you should:
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increase your speed to get to the destination quicker.
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slow down and drive on the shoulder of the road.
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pull off the road and rest or take a nap.
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None of the above.
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18.
Brake lag is:
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the time required for the air brakes to work after the brake pedal is pushed.
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the amount of air pressure required to stop the vehicle.
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the distance your vehicle will travel, in ideal conditions, while you are braking.
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the distance your vehicle will continue to travel, in ideal conditions, before you hit the brakes.
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19.
During a walk around inspection of a combination vehicle, drivers should check that:
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all locking pins are present and locked in place.
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the locking jaws are around the shank.
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the glide plate is securely mounted to the trailer frame.
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All of the above.
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20.
With an engine fire, you should NOT:
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shoot foam from the vehicle’s underside.
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turn the engine off as soon as possible.
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open the hood.
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None of the above.
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