Technician A says that a truck A/C electronic control unit is usually networked to the chassis data bus in todays trucks. Technician B says that the thermostat is an output device for the A/C controller (ECU). Who is correct?

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


Answer: A

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Technician A says that vehicles with electronic returnless fuel systems use pulse width modulation to power the fuel pump and maintain fuel pressure. Technician B says that the electronic returnless fuel system uses a power transistor to control the fuel pump. Which technician is? correct?

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

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Which of the following logic families has the highest maximum clock frequency?

A) HCMOS B) S-TTL C) AS-TTL D) HS-TTL

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If the nail or skin to be worked on is inflamed, broken swollen or infected, the client must:

What will be an ideal response?

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Describe how a basic compression cycle dehumidifier works

What will be an ideal response?

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