A(n) ____________________ box indicates terminal numbers for the relay and these numbers should not be confused with wire numbers.

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


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How many revolutions does a camshaft turn through a complete four-stroke cycle?

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The cooling anticipator in a thermostat is usually an adjustable type.

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

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What device may be used to ensure that air is flowing through a duct before an electric strip heater is energized?

What will be an ideal response?

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Label the following furnace.

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