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Exam ASCS topic 1 question 9 discussion

Actual exam question from NADCA's ASCS
Question #: 9
Topic #: 1
[All ASCS Questions]

The MOST common types of fuel consumed in modern residential HVAC systems are:

  • A. natural gas, propane, and oil
  • B. electric, propane, and oil
  • C. natural gas, methane, and oil
  • D. natural gas, propane, and ethanol
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Suggested Answer: D 🗳️
by Seph407 at May 30, 2023, 3:06 p.m.

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0186cce
3 weeks ago
Selected Answer: A
how is ethanol a fuel source used on AC unit? Correct answer is A
upvoted 1 times
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Seph407
1 month ago
It’s actually natural gas, propane and oil. This answer is incorrect. Për NADCA book 2021
upvoted 2 times
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