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Exam ASCS topic 1 question 6 discussion

Actual exam question from NADCA's ASCS
Question #: 6
Topic #: 1
[All ASCS Questions]

Dirt streaks around supply diffusers that are NOT caused by a dirty ventilation system are MOST likely caused by:

  • A. Slow discharge velocities.
  • B. elevated relative humidity.
  • C. dirty room air at the diffuser.
  • D. thermal stratification around the diffuser.
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Suggested Answer: C 🗳️
by Pogro at April 25, 2023, 7:10 p.m.

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5e6c9a6
1 month, 2 weeks ago
Selected Answer: D
the right awser on the nadca test
upvoted 1 times
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0186cce
4 months, 2 weeks ago
Selected Answer: C
agree with C, found the answer in the HVAC Inspection Manual, 2016
upvoted 1 times
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[Removed]
9 months, 2 weeks ago
Selected Answer: D
the respose is d
upvoted 1 times
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Seph407
1 year, 11 months ago
The room itself can be dusty they could possibly need a new filter. There could be insulation that’s damaged inside of the system, or with dust along with humidity. It’ll create streaks around the diffuser.
upvoted 1 times
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Pogro
2 years ago
If a client ask what’s the reason why the room air in the room is dirty, what would be the best answer to them?
upvoted 1 times
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