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Author Question: The type of fan or blower with a blade design that is self-cleaning and a good choice for air ... (Read 69 times)

cherise1989

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on: Jul 24, 2018
The type of fan or blower with a blade design that is self-cleaning and a good choice for air containing a lot
  of dust or grease is the _____.
 
  a. forward-curved centrifugal
  b. radial
  c. backward-inclined centrifugal
  d. ducted fan

Question 2

The smoke damper that provides the minimum amount of leakage is rated _____.
 
  a. Class 1
  b. Class 2
  c. Class 3
  d. Class 4


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tuate

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

b

Answer to Question 2

a


cherise1989

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Reply 2 on: Jul 24, 2018
Wow, this really help

daiying98

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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