A common terminal with both normally open and normally closed contacts is called a ____ contact.
a. terminal
b. transfer
c. VFD
d. magnetic
b. transfer
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What is the checklist of tasks once you have finished repairs?
What will be an ideal response?
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What filter characteristics should be considered when selecting an air filter?
What will be an ideal response?
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In which of the following applications would fiberglass duct not be acceptable?
a. Kitchen exhaust ducts b. Supply air ducts for an oil-fired furnace c. Supply air ducts for a gas-fired furnace d. Vertical risers in a single-story home
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The tubing or pipe for natural gas supply to a gas heating unit is ____________________.
Fill in the blank(s) with the appropriate word(s).
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