Monthly Plumbing Quiz: Heat Pumps

Because of their high efficiency, a new raft of legislation is about to give heat pumps a big push in the market. So how much do you know about heat pumps? Take our quiz and find out—you could win a $25 gift card!

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1. Scroll compressors use two interleaved scrolls, one fixed and the other moving and coupled to the motor. The advantages of a scroll compressor include:

a. Smaller dimensions than a reciprocating compressor.

b. Excellent efficiency at a defined compression ratio.

c. Low noise.

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2. The key to an air-to-air heat pump is the reversing valve. What is this valve reversing the flow of?

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b. Air.

c. Water.

d. Electricity

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3. A desuperheater is an option for some heat pumps that heats water by:

a. Electricity.

b. Pulling heat out of the air.

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d. Pulling heat out of the ground.

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4. Who developed and built the first heat pump between 1855 and 1857?

a. William Cullen

b. Jacob Perkins

c. Lord Kelvin

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5. Heat pumps work best in locations where the climate is:

a. Hot

b. Cold

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d. Climate has no impact on a heat pump’s performance.

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