The type of gear set used in most automatic transmissions is ________.

A) Helical gears
B) Planetary gears
C) Spur gears
D) Any of the above


B) Planetary gears

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After a duct system has been cleaned, it is always a good idea to _____.

a. spray germicide on the interior of the duct b. replace all air filters with HEPA filters c. make a video record of the inside of the duct d. seal all interior duct seams with mastic

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Technician A says when working around an electric fan motor on a vehicle, disconnect the electrical connector from the fan motor. Technician B says it is safe to work around an electric fan motor if the ignition switch is turned off. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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Which component is NOT needed in a typical overhead cam engine?

A) Camshaft B) Rocker arm C) Valve spring D) Push rod

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Another term for differential gap is ____________________.

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

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