CDL GENERAL KNOWLEDGE TEST (SD) - PRACTICE TEST
31.
When going down long, steep downgrades, you should:
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downshifting and then use the brakes.
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only use the brakes.
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rely solely on engine braking to reduce your speed.
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try not to use the brakes.
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32.
Checking the automatic transmission fluid level may require:
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the vehicle to be parked downhill.
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the engine to be running.
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the 4-way emergency flashers to be activated.
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you to pump the brake.
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33.
You must use ________ as the principal way of controlling your speed on downgrades.
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controlled braking
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"Maximum Safe Speed"
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the brake pedal
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the braking effect of the engine
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34.
Most heavy-duty vehicles use:
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solid brakes.
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hydraulic brakes.
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air brakes.
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pressure brakes.
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35.
How do you test hydraulic brakes for leaks?
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Pull forward against parking brake to make sure the hydraulic brakes holds.
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Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
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Pump the brake pedal ten times and see if it holds.
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None of the above.
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36.
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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37.
When backing, as soon as you see the trailer getting off the proper path, you should:
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turn the top of the steering wheel in the direction of the drift.
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to keep a firm grip on the steering wheel and continue backing.
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turn the top of the steering wheel in the opposite direction of the drift.
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None of the above.
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38.
Which of the following statements about driving in areas with strong winds is true?
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Strong winds make it difficult to stay in your lane.
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You should drive alongside other vehicles to help break up the wind.
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Wind can be a problem especially when you enter a tunnel.
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The problem is usually worse for heavier vehicles.
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39.
When possible, you should park:
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so you will be able to pull forward when you leave.
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so you will have to back up when you leave.
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on the roadway.
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on the shoulder.
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40.
Activities inside the vehicle that can distract your attention include:
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picking up something that fell.
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talking to passengers.
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adjusting the radio.
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All of the above.
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