IN CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
If you are caught in strong winds, you should:
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immediately take your foot off the accelerator.
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keep a strong grip on the steering wheel and slow down or pull off the roadway.
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speed up while keeping a strong grip on the steering wheel.
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None of the above.
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22.
To keep your vehicle from rolling back when you start, you should:
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apply the emergency brake whenever necessary.
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partly engage the clutch before you take your foot off the brake.
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turn the engine off before you take your foot off the brake.
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pump the brakes.
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23.
If you are stopped on an incline, how can you start moving without rolling back?
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Aggressively pump the accelerator
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Shift to neutral
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Apply the parking brake
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Fully engage the clutch
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24.
Most heavy trucks with manual transmissions require ____ to change gears.
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single clutching
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triple clutching
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double clutching
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None of the above.
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25.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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50; 150
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50; 250
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150; 250
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100; 150
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26.
In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
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Weather
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Steepness of the grade
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Your schedule
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Road conditions
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27.
Hydroplaning:
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is less likely if tire pressure is low.
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can occur at speeds as low as 10 mph, if there is a lot of water.
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can occur only if there is a lot of water on the road.
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can occur at speeds as low as 30 mph.
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28.
If your drive wheels begin to spin, you should:
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pump the brake pedal three times.
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use the Anti-lock Braking System.
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use the parking brake.
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take your foot off the accelerator.
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29.
Vehicle inspections:
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are not required for trips under 50 miles.
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should only be performed by a certified mechanic.
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are required by state and federal law.
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are required once a month.
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30.
Which of these is NOT part of the basic method for shifting up?
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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Push in the clutch and shift to the higher gear at the same time.
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Release the clutch and press the accelerator at the same time.
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Accelerate while pressing the clutch and turn toward the driver's side.
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