GENERAL KNOWLEDGE CDL TEST WEST VIRGINIA - PRACTICE TEST
21.
In newer vehicles with air brakes, you put on the parking brake:
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using a diamond-shaped, yellow, push-pull control knob.
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placing the transmission in Park.
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moving the orange push-pull lever to the right.
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using a P-shaped, yellow control knob.
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22.
During a trip you need to inspect the cargo and its securing devices:
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within the first 50 miles after beginning a trip.
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every 3 hours or 150 miles.
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after every break you take.
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All of the above.
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23.
When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
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4 seconds
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5 seconds
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3 seconds
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6 seconds
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24.
Wheel and rim problems include:
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missing clamps.
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mismatched lock rings.
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rust around wheel nuts.
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All of the above.
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25.
Which of these statements is correct?
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Others could be hurt or killed by cargo that falls off a vehicle.
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Loose cargo can hurt the driver during a quick stop.
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Loose cargo that falls off a vehicle can cause traffic problems.
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All of the above.
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26.
Doing a vehicle inspection is very important. Why?
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Not doing it could cost time and dollars, or even worse, an accident.
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A defect found during an inspection could save you problems later.
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Federal and state regulations require that drivers inspect their vehicle.
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All of the above.
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27.
The Gross Combination Weight (GCW) is:
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the weight of the vehicle, trailer, and cargo.
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the weight of the trailer and cargo.
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the weight of the vehicle and its trailer(s).
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the total weight of a single vehicle including its load.
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28.
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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29.
Rims with welding repairs:
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are acceptable only when carrying a heavy load.
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can be used for tires in the front of the vehicle.
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can be used for tires in the rear of the vehicle.
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are not safe.
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30.
When backing, it is important to use a helper whenever possible. Why?
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All the above.
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Because it's required by law.
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To make sure you don't damage your truck.
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Because you cannot see everything behind your vehicle.
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