The headlamps and other incandescent lamps have a history of burning out repeatedly on a truck a short time after being replaced. Which of the following could be the cause?

A. Poor fifth wheel ground
B. Batteries with too high of a CCA have been installed
C. Low charging system voltage
D. High charging system voltage


Answer: D

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Refrigerant in vapor form is normally put into the system through the ____.

A. liquid line B. suction line C. hot gas line D. liquid return line

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List equipment that may be used to aid in a visual inspection activity.

What will be an ideal response?

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A starting system voltage drop test is being done. Technician A says the higher the voltage drop, the lower the resistance in the circuit. Technician B says a high-voltage drop in the cranking circuit wiring can cause slow engine cranking. Which technician is correct?

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

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Lateral acceleration is the measurement of the vehicle's ability to accelerate in a straight line.

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

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