A perfect 30"Hg vacuum is, in reality, unobtainable. So when reference is made to a 30"Hg vacuum, we are actually referring to a vacuum of __________.

A. 25.4"Hg
B. 28.9"Hg
C. 29.29"Hg
D. 29.92"Hg


Answer: D

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When doing a cylinder leakage test there should be no leakage around the ____________________ or the ____________________.

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

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Technician Asays horizontial adjustment of an oscilloscope affects the time-per-division values. Technician B says changing the vertical adjustment of an oscilloscope affects the volts-per-division values. Who is correct?

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

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What condition is indicated by blown off tips on fuel injectors?

A. Engine overheating. B. Water contamination in fuel. C. Engine backfires caused by poorly adjusted timing. D. Pre-detonation.

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Metering valves hold the rear brakes off until the front brakes have applied.

Answer the following statement true (T) or false (F)

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