How does a pressure switch's purpose affect its operation?
What will be an ideal response?
The purpose of the pressure switch determines whether it opens or closes on a rise or fall in pressure.
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What is the proper method for replacing a lifted pad and track that are severely damaged?
What will be an ideal response?
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Explain why a low-modulus sealant is generally preferred over a high-modulus sealant.
What will be an ideal response?
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The _____________________ is a cycle of operation of a heat pump that is designed to defrost the outside coil during the heating operation
Fill in the blank(s) with the appropriate word(s).
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Bulk density measurements can be used to determine how much lime is needed
Indicate whether the statement is true or false
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