Hardcore Home Appliance Knowledge Test

A rigorous test for seasoned homeowners tackling device intricacies.

home appliancesDIY maintenancepower consumptionsmart devicesappliance safetylaundry equipmentkitchen techenergy saving
Difficulty:HARD

Quiz Details

Questions6
CategoryHome & Garden
DifficultyHARD
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Quiz Questions

Answer all questions below and test your knowledge.

  1. 1

    Which refrigerant replaced R-22 in residential air conditioners after the EPA phase‑out?

    Question 1
  2. 2

    Which UL standard designates a dryer as compliant with high‑efficiency electric circuit requirements?

    Question 2
  3. 3

    What minimum spin speed (rpm) does a typical front‑loading washing machine need to extract water effectively?

    Question 3
  4. 4

    Which dishwasher feature indicates compliance with ENERGY STAR water‑use limits of under 3.5 gallons per cycle?

    Question 4
  5. 5

    In a smart refrigerator, which communication protocol is most commonly used for local network integration with home automation hubs?

    Question 5
  6. 6

    According to the NEC, what is the recommended maximum ampacity for a dedicated 240 V, 30‑amp dryer circuit?

    Question 6

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