When the outdoor temperature falls below the balance point, an air-to-air heat pump _____
A) must be shut down
B) can no longer extract heat from the outside air
C) requires supplemental heat
D) can produce more heat than the structure requires
Answer: C
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France had to give up its vision of a North American New France when
A. its fishing industry faltered. B. farming proved to be unprofitable. C. King Louis XIV died. D. it was defeated by the British in 1713 and 1763. E. it could not entice enough settlers to America.
____ are documents that accompany the drawings and contain all pertinent written information related to the HVAC system.
A. Specifications B. As-built C. Requirements D. Annotations
Directed electron flow occurs when a(n) _________________ is placed in the circuit.
Fill in the blank(s) with the appropriate word(s).
____________________ is the force that pulls water up into a paper towel or pulls a liquid into a very fine straw.
Fill in the blank(s) with the appropriate word(s).