CDL PRACTICE TEST (NM) - GENERAL KNOWLEDGE TEST
21.
Which of the following is a key steering system part?
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Anchor plate
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Leaf spring
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Tie rod
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22.
An alcohol evaporator is important during:
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cold weather.
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dry weather.
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hot weather.
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23.
Which of these describes the proper braking technique when driving on a long and steep downgrade?
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Apply the brakes. When your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
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Apply the brakes until your speed has been reduced to 5 mph, then release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
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Release the brakes until your speed is 5 mph above your safe speed, then apply the brakes. When your speed has decreased to your safe speed, repeat the previous steps.
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24.
When only the tractor has ABS:
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the brakes won't work as effectively as without ABS.
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there is an increased chance of jackknifing.
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there is less chance of jackknifing.
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25.
When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
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6 seconds
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5 seconds
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12 seconds
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26.
At dawn, dusk, in rain or snow, to make yourself easier to see you should:
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use the emergency flashers.
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use the high beams.
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use the low beams.
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27.
Containerized loads:
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must be inspected before and after the trip.
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are generally used for freight carried part way by rail or ship.
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should exceed gross weight and axle weight limits.
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28.
During the vehicle inspection, when checking the tires you should:
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ensure that the tread is evenly worn.
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check for the minimum tread depth (4/32 on all tires).
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ensure that valve caps are missing.
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29.
If your truck has automatic transmission, you should downshift:
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when going down grades.
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whenever road conditions allow.
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after entering a curve.
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30.
In newer vehicles with air brakes, you put on the parking brake:
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placing the transmission in Park.
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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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