While having a discussion about spark plugs, Technician A says that blistering of the insulator tip is indicative of a plug that has been too hot. Technician B says that the accumulation of specks that resemble pepper is indicative of a plug that has been too hot. Who is correct?

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


Answer: C

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The air brake light distance at 55 miles per hour on dry pavement add about _____________ feet to your stopping distance

Air brakes

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In progressive discipline the advising step occurs after which of the following steps ________.

A) Discipline B) Counseling C) Written warning D) All of the above E) None of the above

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Technician A says that highway diesel engines equipped with EGR should use a lube oil formulated to meet the API CI-4 classification or later. Technician B says that CI-4 oil is lower in cost and can be safely used in diesel engines built before the 2007 EPA year. Who is correct?  

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

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Sensible heat can be measured with

A. a pressure gauge. B. a thermometer. C. a scale. D. all of the above.

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