Technician A says that a turbocharger uses the normally wasted heat energy of the exhaust to turn an impeller at high speed. Technician B says that there is only one type of supercharger, the roots-type. Who is right?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B


A

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The minimum diameter of galvanized pipe allowed for a grounding electrode is _____.

a. 1/2" b. 3/4" c. 1" d. 1-1/4"

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Unlike preignition, detonation does not produce a knocking sound, so the impending damage is not apparent until it is too late.

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

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All of the following are approved methods for diagnosing a ECT (engine coolant temperature) sensor EXCEPT ________

A) Observing resistance values at a specified temperature B) Substituting a variable resistor C) Digital multimeter (DMM) D) Scan tool

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Standards for motor overload protection are set by the ____.

A. United States Department of Transportation B. National Electrical Code C. Environmental Protection Agency D. American National Standards Institute

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