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Author Question: To insure that the rafters or joists do not interfere with installation of the plenums on a curb ... (Read 145 times)

anshika

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on: Jul 26, 2018
To insure that the rafters or joists do not interfere with installation of the plenums on a curb mounted rooftop unit
 
  A) The roof curb must be installed diagonal to the roof joists or rafters
  B) The roof curb must be square with the roof joists or rafters
  C) The roof joists or rafters are cut out where the curb is installed
  D) The plenums are fabricated in place with the roof joists or rafters passing through them

Question 2

Select the characteristics of flake ice. You may select more than one.
 
  A) Slower melting B) Cloudy C) Faster melting
  D) 70 hardness E) 95 hardness F) Clear


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huda

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Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

B, C, D


anshika

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Reply 2 on: Jul 26, 2018
:D TYSM

strudel15

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Reply 3 on: Yesterday
Wow, this really help

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