The purpose of the charcoal filter in the vacuum hose between the engine and the vacuum brake booster is to ________

A) Filter the air entering the engine
B) Act as a one-way check valve to help keep a vacuum reserve in the booster
C) Trap gasoline vapors to keep them from entering the booster
D) Direct the vacuum


C

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The SAE term for the vehicle computer is ________

A) ECM B) ECU C) Controller D) PCM

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The amount of attracting or repelling force that acts between two electrically charged bodies depends on two factors: their charge and the ____________________ between them.

Fill in the blank(s) with the appropriate word(s).

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The strength of plastic pipe ___________ as temperature decreases.

Fill in the blank(s) with the appropriate word(s).

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Studies show that most collisions involving vehicles and trains occur when a vehicle runs into the side of the train as it crosses the intersection because the driver

A. is inattentive B. overdrives his or her headlights C. drives while being stressed or fatigued D. all of the above

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