Monthly Plumbing Quiz: 2022 in Review

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!
Photo credit: 94398329 © Alexxxey | Dreamstime.com

1. 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.

Photo Credit: iStock/Thinkstock

2. 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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Photo credit: Wikimedia Commons

3. In July of 2022, California Gov. Newsom wrote a letter to the California Air Resources Board (CARB) that set a target of six million heat pumps in buildings by:

a. 2025

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c. 2035

d. 2045

Photo 113582645 / California © Diana Opryshko | Dreamstime.com

4. 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

Photo: Spirax-Sarco

5. 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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Photo: Wikimedia Commons