CDL GENERAL KNOWLEDGE TEST (MN) - PRACTICE TEST
31.
ABS (anti-lock braking system):
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lets you drive faster.
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always shortens your stopping distance.
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keeps your brakes from locking up when you brake hard.
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increases your normal braking capability.
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32.
When you leave your vehicle you should:
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leave the key in the ignition.
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apply the service brake.
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release the parking brake.
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None of the above.
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33.
How do you find out how many seconds of following distance you have?
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Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
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Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
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None of the above.
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34.
Under a pressurized system, the radiator cap:
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should always be cool.
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should never be hot.
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should be removed when the coolant is hot.
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should never be removed until the system has cooled.
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35.
If you smell exhaust fumes in the cab, you should:
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stop immediately.
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open the windows.
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remember to conduct a post-trip inspection.
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wait for the next stop, then inspect your vehicle.
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36.
When making a turn, you should turn off your turn signal:
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before entering the turn.
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after you've turned.
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during the turn.
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to keep others from trying to pass you.
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37.
Brake fade results from:
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wet brakes.
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excessive heat caused by using brakes too much.
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using brakes in cold weather.
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All of the above.
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38.
The best way to recover from a brake failure while going downhill is to:
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use the escape ramp.
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be prepared to countersteer.
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use engine braking.
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use the parking brake.
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39.
When backing, it is best to:
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use only the passenger's side mirror.
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back toward the passenger's side when possible.
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use a helper whenever possible.
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try to back in the direction of the drift.
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40.
If a trailer does not have spring brakes, to keep the trailer from moving you should:
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close the brake valve.
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use wheel chocks.
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park on a slight decline.
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use the service brakes.
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