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Author Question: What does amplification mean in indoor air quality terms? A) The combined effect of multiple ... (Read 15 times)

jho37

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on: Jul 24, 2018
What does amplification mean in indoor air quality terms?
 
  A) The combined effect of multiple forms of pollutants
  B) Noise pollution that is increased in volume because of metal ducts
  C) The transmitting of mechanical unit sounds through short metal returns
  D) A contaminant's ability to grow and spread

Question 2

Which installation phase is performed last?
 
  A) Evacuation and charging B) Start and check
  C) Ductwork installation D) Piping installation


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allisonblackmore

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Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


jho37

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Reply 2 on: Jul 24, 2018
:D TYSM

ryhom

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Reply 3 on: Yesterday
Wow, this really help

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