Electric heat pump water heaters are more than __________ as efficient as electric resistance water heaters.
a. two times
b. three times
c. four times
d. five times
a. two times
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What is the maximum reading on a typical R410a high pressure gauge?
A) 800 psig B) 500 psig C) 120 psig D) 300 psig
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What are the advantages of using Dispute Review Boards?
What will be an ideal response?
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Hydronic heat circulators are centrifugal pumps.
Answer the following statement true (T) or false (F)
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As the load on an engine increases, the manifold vacuum decreases and the manifold absolute pressure ________
A) Decreases B) Increases C) Changes with barometric pressure D) Remains same value
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