Match the device with its correct description.

A. thin metal membrane that can operate controls based on the pressure exerted on it
B. based on the concept that different metals will react differently to heat causing current to flow
C. bimetal device used to sense water heater temperatures
D. a higher output thermocouple
E. device whose resistance changes with respect to temperature; used to control electronic circuits
F. two unlike metals connected back to back


A. diaphragm
B. thermocouple
C. rod and tube
D. thermopile
E. thermistor
F. bimetal strip

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Electrical licensing requirements are set by _____.

a. NCCER b. states or municipalities c. DOL d. OSHA

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An aftermarket air intake system could affect emission levels.

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

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Technician A says in a semi-independent rear suspension system, improper rear wheel toe and tracking may be caused by a bent trailing arm. Technician B says on a semi-independent rear suspension system, improper rear wheel toe and tracking may be caused by a bent inverted U-channel. Who is correct?

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

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Ohm’s law states that it takes 1 volt to push 1 ____ through 1 ____.

a. amp, ohm b. ohm, amp c. watt, ohm d. ohm, watt

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