GA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
What is an important thing to remember about emergency braking?
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You should never use stab braking.
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Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
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Your natural response (hitting the brakes) is never the right solution.
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The more heavily loaded semitrailer trailer should be in the rear.
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22.
If you are driving in fog, you should not:
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use high beams.
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slow down.
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turn on the 4-way emergency flashers.
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All of the above.
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23.
Brake fade results from:
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using brakes in cold weather.
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excessive heat caused by using brakes too much.
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wet brakes.
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All of the above.
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24.
What are the two basic reasons for covering cargo?
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To protect people from spilled cargo and the cargo from weather.
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To protect the cargo from pilferage and from weather.
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To protect people from spilled cargo and the cargo from pilferage.
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To protect the cargo from weather and to avoid littering.
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25.
If during vehicle inspection a tire is too hot to touch, you should:
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make sure there is enough engine oil on the tires.
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remain stopped until the tire cools off.
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let air out.
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immediately decrease air pressure.
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26.
You should downshift:
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before starting up a hill.
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before starting down a hill or entering a curve.
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before exiting a curve.
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None of the above.
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27.
Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
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blue.
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white.
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red.
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yellow.
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28.
Hazardous materials placards are:
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Signs put on the outside of a vehicle to warn others of hazardous materials.
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Signs put on top of a vehicle that identify the hazard class of the cargo.
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Signs put on the outside of a vehicle that identify the hazard class and weight of the vehicle.
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None of the above.
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29.
If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
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push the clutch in
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shift to second gear
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place the transmission in park
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apply the brakes
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30.
What is an advantage of going right instead of left around an obstacle?
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If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
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No one is likely to be passing you on the left, but someone may be driving on the shoulder.
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There is no real advantage.
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If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
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