NM CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
It is safer to drive over (rather than to avoid) which of the following?
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Cardboard boxes
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Paper and cloth sacks
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None of the above.
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22.
Which of these statements is true?
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Dual tires that come in contact with each other provide better traction.
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Radial and bias-ply tires should not be used together on the same vehicle.
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A tread depth of 2/32 of an inch is safe for steering axle tires.
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23.
A driver waiting for too long at a stop could be a sign of:
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an impaired driver.
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a disabled driver.
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a blind driver.
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24.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
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the parking brake should never used to slow the vehicle.
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pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
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shifting into neutral may help slow the vehicle.
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25.
Retarders:
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reduce braking distance.
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help slow a vehicle, reducing the need for using brakes.
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improve gas mileage.
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26.
After a tire has been changed, the driver should stop a short while later to:
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decrease tire pressure.
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deflate the tire to 10 psi.
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check the tightness of the nuts.
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27.
Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
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Clear reflections
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Tire splashes
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All of the above.
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28.
If confronted by an aggressive driver, you should:
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react to gestures.
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try to stay in front of them.
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ignore gestures
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29.
Blocking is used to:
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keep the cargo from sliding.
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protect people from spilled cargo.
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protect the cargo from weather.
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30.
If you must drive through a deep puddle you should:
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speed up to get through the puddle as quickly as possible.
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slow down and place transmission in a low gear.
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apply the brakes until your speed reaches 40 mph.
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