An electric furnace that does not operate, regardless of the thermostat setting, may have:

A) An open strip heater. B) A bad sequencer coil.
C) An open fusible link. D) A dirty air filter.


B

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What are the two basic types of timers?

What will be an ideal response?

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The abbreviation HEV stands for _________

A) High energy voltage B) Heated electrolyte valve C) Hybrid electric vehicle D) None of these are correct

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The output of a three-input summing op amp is ____________________ volts when 1, 2, and 3 volts are applied to the inputs, and all resistors are 10K ohms.

Fill in the blank(s) with the appropriate word(s).

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The capacitive reactance of a capacitor is _____ proportional to frequency.

A. directly B. inversely

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