What is the role played by a battery described as an isolated battery in a truck electrical system?

A. used only for cranking
B. used primarily when engine is off
C. used only when other batteries are flat
D. used to power-up the data bus


Answer: B

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Technician A says bolts are used to attach the wheel cylinder to the backing plate. Technician B says clips are used to attach the wheel cylinder to the backing plate. Which technician is correct?

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

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Which ice thermal storage system is the oldest

A) Ice on coil systems B) Ice in containers C) Ice harvesting equipment D) Solid ice brine coil systems

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Which resistor (RA) is necessary to generate a 330 ms pulse at the output of a monostable 555 timer if a 200 capacitor is used?

A) 1.5 k? B) 66 k? C) 133 k? D) 4.7 k?

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With regard to a transistor, when the base-emitter junction is forward biased and the collector-base junction is reverse biased, operation is

A) at bias B) at cutoff C) in the active region D) at saturation

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