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"
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)
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
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