WA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
The parking brake:
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should be used whenever you park.
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should be used when driving in bad weather.
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should be used when you need to apply the brakes firmly.
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22.
Name two causes of tire fires.
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Excessive braking
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Driver smoking and poor ventilation.
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Under-inflated tires and dual tires that touch
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23.
Which of the following is a common cause of truck fires?
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Short circuits due to loose connections.
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Under-inflated tires and duals that touch.
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All of the above.
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24.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be required to operate vehicles with air brakes.
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you will be restricted from operating vehicles with air brakes.
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you will be required to take the tank vehicle test.
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25.
Which of the following is not a braking system on a truck?
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Service brake
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Steering brake
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Parking brake
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26.
To know when to shift, you can use each of the following except:
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perception distance.
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road speed.
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engine speed.
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27.
Transporting livestock requires special attention. Why?
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Because livestock can lean on curves.
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Because livestock can move around in a trailer.
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All of the above.
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28.
Name some exhaust system parts.
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Mufflers, mounting brackets and vertical stacks
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Main spring, axle and font axle hanger
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Drag link, spindle and gear box
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29.
Which of the following statements about engine belts and driving in hot weather is true?
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Loose belts will not turn the water pump and/or fan on properly.
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You can check v-belt tightness by pressing on the belts.
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All of the above.
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30.
Reaction distance is the distance you will continue to travel, in ideal conditions:
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before you physically hit the brakes.
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before the vehicle comes to a complete stop.
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from the time your eyes see a hazard until your brain recognizes it.
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