One big advantage of air-to-water heat pumps over air-to-air heat pumps is:
A) They do not require electric strip heat in defrost. B) They are less expensive.
C) More technicians are familiar with them. D) They are easier to install.
A
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Breeding _______ means that the offspring will almost always possess the same physical characteristics as the parents.
Fill in the blank(s) with the appropriate word(s).
When expressing a common fraction as a decimal fraction, the division should be carried out to ____________________ place(s) than the number of places required in the answer, then rounded one place.
Fill in the blank(s) with the appropriate word(s).
A(n) ____________________ is a weld placed in a joint created by a 90-degree angle
Fill in the blank(s) with the appropriate word(s).
What is the optimum operating temperature for an internal combustion engine?
A) 235°F B) 195°F C) 100°F D) 205°F