In an electric circuit, the ____ establishes a difference of potential that forces the current to flow.

A. load
B. voltage source
C. conductor
D. pump


Answer: B

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A contractor's estimating department is responsible for identifying the goals and objectives of the department.

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

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A "chirping" noise is heard while the vehicle is moving forward, but stops when the brakes are applied. Technician A says that the noise is likely caused by the disc brake pad wear sensors. Technician B says the noise is likely a wheel bearing because the noise stops when the brakes are applied. Which technician is correct?

A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B

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Technician A says that if one module networked to a J1939 data bus fails, it should not affect the operation of other modules on the bus. Technician B says that an advantage of using a data bus, is that controllers on the bus can share input signals from key components such as a TPS. Who is correct?

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

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Most often, how does the PCM energize an output actuator?

A. It supplies 5 volts to the actuator B. It supplies battery voltage to the actuator C. It supplies secondary ignition voltage to the actuator D. It completes the actuator's ground path

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