CONNECTICUT CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
To know when it's time to shift up:
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use mirrors on both sides.
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check the user manual.
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watch your tachometer, and shift up when your engine reaches the bottom of the range.
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use engine speed and road speed.
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22.
When you pull off the road and stop, you should:
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flash your brake lights.
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turn on the 4-way emergency flashers.
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use your high beams.
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use the taillights.
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23.
Which of the following is NOT a reason for hydraulic brake failure?
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Loss of hydraulic pressure
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Brake fade on long hills
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Stab braking
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All of the above.
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24.
To prevent fire, during the en route inspection you should check the tires, wheels, and truck body for signs of:
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front-wheel skids.
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ice.
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a fire extinguisher.
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heat.
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25.
Escape ramps:
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cannot be used by certain types of heavy vehicles.
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should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
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are designed to stop runaway vehicles safely.
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All of the above.
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26.
The air storage tanks:
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protects the tank and the rest of the system from too much pressure.
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stop the compressor from pumping air.
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are used to hold compressed air.
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are connected to the engine through gears or a v-belt.
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27.
When should you use the 4-way emergency flashers instead of flashing the brake lights to warn the drivers behind you?
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When visibility is poor.
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When driving in strong winds.
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At night time.
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When you are driving very slowly or are stopped.
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28.
Strong winds can make it difficult to stay in your lane especially when driving:
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heavier vehicles.
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lighter vehicles.
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vehicles with ABS.
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flatbed trailers.
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29.
Which of the following statements about brake shoes is true?
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Brake drums must have cracks longer than half the width of the friction area.
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brakes can fade or fail from excessive heat caused by relying too much on the engine braking effect.
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Brake shoes should be thinner than ¼ inch.
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None of the above.
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30.
When you are prescribed medications, you should:
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also take medications that prevent drowsiness to stay alert.
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stop taking the medication if you notice it is affecting your driving ability.
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ask your doctor if the drug will affect safe driving ability.
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None of the above.
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