In an induced-draft gas furnace, the first component to energize on a call for heat is:

A) The hot surface igniter. B) The gas valve.
C) The induced-draft blower. D) The indoor blower.


C

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____ is a motor control function where the motor is energized for only an instant, either to verify the direction of rotation for the motor, or possibly to position or align a machine part.

a. Plugging b. Jogging c. Timing d. Contactor

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Explain the importance of those five roles to the process industry.

What will be an ideal response?

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The process of photosynthesis has recently been duplicated by humans and is no longer a challenge for researchers to examine

Indicate whether the statement is true or false

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The ____________________ type of transmission signal is used in applications where a spark may cause an explosion.

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

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