GENERAL KNOWLEDGE CDL TEST MAINE - PRACTICE TEST
21.
Front-end header boards:
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protect your from glare and eyestrain.
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protect you from your cargo in case of an accident.
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can cause your vehicle to hydroplane.
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22.
You should use your horn to:
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to let others know you are about to increase your speed.
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to let others know you are about to break.
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to let others know you are there.
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23.
If you're feeling tired while driving you should:
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drink coffee.
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stop driving and get some rest.
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eat something.
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24.
Which of the following statements is true?
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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Poor cargo ventilation is a common cause of fire.
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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25.
If you smell exhaust fumes in the cab, you should:
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stop immediately.
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remember to conduct a post-trip inspection.
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open the windows.
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26.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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5, 50 and 500 feet
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5, 25 and 50 feet
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10, 100 and 200 feet
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27.
When driving in heavy traffic, the safest speed is:
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the speed of traffic.
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slower than the speed of other traffic.
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the posted speed limit.
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28.
Doing a vehicle inspection is very important. Why?
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Federal and state regulations require that drivers inspect their vehicle.
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A defect found during an inspection could save you problems later.
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All of the above.
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29.
Service brakes should:
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only be checked by a mechanic.
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be checked before each trip.
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always be checked before applying the brakes.
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30.
Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
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100 miles
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50 miles
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25 miles
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