Hardcore Home Appliance Knowledge Test
A rigorous test for seasoned homeowners tackling device intricacies.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which refrigerant replaced R-22 in residential air conditioners after the EPA phase‑out?
- 2
Which UL standard designates a dryer as compliant with high‑efficiency electric circuit requirements?
- 3
What minimum spin speed (rpm) does a typical front‑loading washing machine need to extract water effectively?
- 4
Which dishwasher feature indicates compliance with ENERGY STAR water‑use limits of under 3.5 gallons per cycle?
- 5
In a smart refrigerator, which communication protocol is most commonly used for local network integration with home automation hubs?
- 6
According to the NEC, what is the recommended maximum ampacity for a dedicated 240 V, 30‑amp dryer circuit?
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