Small synchronous motors generally contain ____ slip rings on the rotor shaft.

A. zero
B. two
C. four
D. six


Answer: B

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Cellular glass develops stress cracks when it _____.

a. remains at a constant temperature for long periods of time b. is exposed to high temperatures c. is exposed to low temperatures d. is exposed to direct sunlight

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Technician A says that an electric pump assists in delivering warm engine coolant to the passenger compartment when passenger heating is needed but the ICE is in idle stop mode. Technician B says that such auxiliary electrical devices are powered by the 12-volt system. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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When a J1939 controller reports a low internal battery condition, which numeric fault code is broadcast?

A. 11 B. 15 C. 21 D. 31

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Which of the following types of vehicle lamp is likely to function for the longest period?

A. incandescent B. halogen C. LED D. HID

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