CDL GENERAL KNOWLEDGE TEST (RI) - PRACTICE TEST
21.
Which of the following is true about curved mirrors?
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In a curved mirror things seem closer than they really are.
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In a curved mirror everything appears smaller than it would if you were looking at it directly.
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They are illegal in most States.
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22.
Weight that is loaded so there is a high center of gravity:
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reduces the chance that the load will shift to the side or fall off.
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causes greater chance of rollover.
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makes a vehicle easier to handle.
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23.
To test the service brake:
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shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
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gently try to pull forward with the trailer parking brake on, then release the brake.
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push the brake pedal firmly while going about 5 mph.
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24.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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excessive downshifting.
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loss of hydraulic pressure.
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relying too much on the engine braking effect.
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25.
________ is the distance your vehicle will travel, in ideal conditions, while you are braking.
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Reaction distance
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Perception distance
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Braking distance
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26.
If your ABS malfunctions:
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you should immediately come to a complete stop.
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you still have normal brake functions.
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the service brake will not work.
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27.
When you see a hazard that will require slowing down, you should:
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warn the drivers behind by flashing your brake lights.
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immediately come to a compolete stop.
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alert the drivers behind by pointing and sounding your horn.
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28.
Why should you back toward the driver's side?
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You can see better.
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Backing toward the right side is dangerous.
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All of the above.
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29.
Which of the following is NOT a type of retarder?
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Engine
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Electric
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Anti-lock
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30.
Which of the following is not a sign of fatigue?
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Daydreaming
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Yawning repeatedly
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Feeling hungry
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