CDL PRACTICE TEST - GENERAL KNOWLEDGE (MISSOURI)
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.
You as a driver should always:
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stay in your lane.
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reduce your following distance.
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make emergency plans when you see a hazard.
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23.
In newer vehicles with air brakes, you put on the parking brake:
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using a P-shaped, yellow control knob.
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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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24.
Emergency brakes must be held on by:
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air pressure.
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mechanical force.
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hydraulic pressure.
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25.
You should do an after-trip inspection:
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after each trip.
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once a month.
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at least once a week.
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26.
Empty trucks have the best braking. True or False?
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True.
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It depends on the cargo.
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False.
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27.
When checking the engine compartment, which of the following should you check?
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Battery fluid level.
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Engine oil level.
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All of the above.
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28.
The application pressure gauge:
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shows how much air pressure is being applied to the brakes.
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tells you how much pressure is in the air tanks.
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protects the tank and the rest of the system from too much pressure.
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29.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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4/32 inch
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2/8 inch
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6/24 inch
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30.
Which of the following is part of checking lights?
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Turning off the engine and taking the key with you.
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Turning on the headlights and four-way flashers.
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All of the above.
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