What is the inductor reactance at low frequencies?

A. Zero
B. 20 dB
C. 6 dB
D. 20 log


A

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Water vapor in the air condenses on the evaporator coil:

A) All the time, even when the system is not operating. B) Whenever the evaporator is below the dew point of the air. C) Whenever there is moisture in the refrigerant. D) Whenever the system is operating.

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In a speed density system, what does NOT need to be corrected for?

A) BARO sensor data B) Air temperature C) Amount of EGR D) Oxygen in exhaust from the oxygen sensor

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Name four common types of insulation used in residential construction

What will be an ideal response?

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A diesel engine produces pronounced combustion knock along with white smoke emission. Which of the following is the more likely cause?

A. High sulfur fuel. B. Advanced fuel injection timing. C. Out of balance fuel injection system. D. Air leak in suction side of the fuel subsytem system.

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