Where are electric auxiliary heat strips normally located in air-source heat pumps?
A) Next to the outdoor coil to keep it warmer in cold weather
B) Next to the indoor coil to keep it warmer when the heat pump capacity drops
C) In the discharge air of the fan
D) In the return air, before the coil
C
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How many square centimeters in a square plate measuring 8 cm by 8 cm?
A(n) ____________________ circuit is a combination circuit made up of series and parallel circuits and is used only sparingly in the industry.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not an erosion-control technique for Class II land?
A) crop residue management B) minimum tillage C) crop rotations D) irrigation
An entire panel of a duct module should be replaced if the _____
a. damaged area extends to within 8 inches of the edge of the panel b. panel has a 1/2-inch-wide tear in the facing c. panel has a 1-inch-wide tear in the insulation d. panel is cracked or creased