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
Explain the importance of those five roles to the process industry.
What will be an ideal response?
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
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).