What is the purpose of shutoff valves in the water loop of a water-source heat pump?

A) They allow you to service a water-source unit.
B) They are used to shut off different loop zones in a zoned loop system.
C) They allow water pressure to build.
D) They keep water inside the piping system.


A

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Writing and periodically updating the building code in the United States is generally done by

A) the individual city. B) the federal government. C) the individual state. D) a specialized independent agency.

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When compared to common rafters, barge rafters are typically _____.

a. half-again as wide b. one size wider c. one dimension narrower d. twice as wide

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Explain what is meant by rising rate and list the advantages of this type of suspension system.

What will be an ideal response?

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When load testing a battery, which battery rating is usually used to determine how much load to apply to the battery?

A) CA B) MCA C) CCA D) RC

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