Which failure could cause nothing to happen when the thermostat is set to heat?
A) A tripped circuit breaker B) A defective draft switch
C) A bad igniter D) A bad gas valve
A
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Late model vehicles use ________ to change gear ratios in the automatic transmission
A) Solenoids B) Cables and springs C) Garage shifters D) Spinning weights
Labor time is expressed in what units?
A) Minutes B) Tenths of an hour C) Hundredths of an hour D) Quarters of an hour
Technician Asays to calculate the coefficient of friction, measure the force required to slide an object over a surface and then divide it by the weight of the object. Technician B says the moving force that slides an object over a surface is tensile force. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A general definition of refrigerant is:
A) A fluid that is naturally cold. B) A hydrocarbon-based chemical with noble elements replacing some of the hydrogen atoms. C) A fluid that can turn heat into mass. D) The fluid used in a refrigeration system for transferring heat.