HI CDL AIR BRAKES PRACTICE TEST
21.
When going down grades, you should:
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downshift to a lower gear.
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shift up.
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put the transmission in Neutral.
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22.
A tank endorsement is:
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only required when transporting gases.
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only required when transporting liquids.
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required for both liquids and gases.
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23.
Most heavy duty vehicles use ___ air brake systems for safety.
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triple
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single
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dual
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24.
If your vehicle has an alcohol evaporator, every day during cold weather, you should:
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fill it up with oil to prevent alcohol from freezing.
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fill it up with oil to prevent the pipes from freezing.
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check the alcohol container and fill up as necessary.
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25.
Tar in the road pavement rising to the road surface in very hot weather:
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causes the road to become very slippery.
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does not affect the road surface or driving conditions.
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is very sticky and will slow down your vehicle.
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