CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEW HAMPSHIRE)
31.
Which of the following is NOT a hazard?
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A cardboard box on the road
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Work zones
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An escape ramp
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A freeway/highway exits that
go downhill
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32.
Axle weight is:
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the weight of one axle.
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the weight any axle or combination of axles transmits to the ground.
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the loaded weight of a single vehicle.
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the maximum safe weight a tire can carry at a specified pressure.
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33.
Name 2 causes of tire fires.
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Under-inflated tires and duals that touch.
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Over-inflated tires and duals that touch.
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Driver smoking and bleeding tar.
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Loose connections and poor ventilation.
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34.
__________ will help a drinker sober up.
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Coffee and a little fresh air
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Only fresh air
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Only coffee
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Only time
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35.
How should you apply the brakes when going down a steep downgrade?
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Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
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Apply the brakes as hard as you can without locking the wheels.
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You should not brake, and only use engine braking to prevent brake failure.
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Apply the brakes when you reach the bottom of the downgrade.
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36.
While driving, you should use your mirrors to:
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know where other vehicles are around you.
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check the condition of the tires and cargo.
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check where the rear of your vehicle is while you make turns.
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All of the above.
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37.
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 driving in strong winds.
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At night time.
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When visibility is poor.
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When you are driving very slowly or are stopped.
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38.
Which of the following are key steering system parts?
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Leaf spring, torque rod, front axle hanger
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Axle, main spring, spring shackle
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Tie rod, drag link, spindle
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Lug nuts, rims, tire
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39.
Which of these should you check before driving in winter?
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Windshield wiper blades
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Defrosters
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Coolant level and antifreeze amount
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All of the above.
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40.
If your brakes fail while you are driving on a downgrade, you should:
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immediately start looking outside your vehicle for something to stop it.
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use an escape ramp if it's available.
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take the least hazardous escape route you can.
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All of the above.
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