Which of the following is NOT a cause of high exhaust back pressure?

A) Restricted exhaust pipe B) Vacuum leak
C) Restricted catalytic converter D) Restricted muffler


B

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An auxiliary tank and booster pump system is required if the oil supply is situated ____ below the oil burner pump.

A. any distance B. 5 feet or more C. 10 feet or more D. 15 feet or more

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Which type of proposal intends to confirm that the company is still on track with meeting the client's goals and is moving toward a final presentation of how it will accomplish that?

a. initial proposal c. final proposal b. interim proposal d. e-mail messaging

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Technicians should be cautious when taking an oil sample from a semihermetic compressor because:

A) The oil is highly toxic. B) The oil sample must be done with the compressor running. C) The oil is highly flammable. D) The compressor crankcase is under pressure.

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A transformer in which the primary and secondary are physically separated and not connected by a conductor is called a(n) _____ transformer.

A. isolation B. step-up C. step-down D. turns

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