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Author Question: Medium and large commercial buildings typically use: A) Low-pressure hot-water boilers. B) ... (Read 98 times)

fagboi

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Medium and large commercial buildings typically use:
 
  A) Low-pressure hot-water boilers. B) Medium- or high-pressure steam boilers.
  C) Medium- or high-pressure hot-water boilers. D) Low-pressure steam boilers.

Question 2

When adding a specific amount of refrigerant to a new system, how do you measure the amount of refrigerant added?
 
  A) Use a digital scale to register charge as the refrigerant exits the cylinder.
  B) Use a digital scale to register charge as you add refrigerant to the cylinder.
  C) Use a digital scale to remove refrigerant until a negative number registers.
  D) Use a digital scale to weigh the refrigerant cylinder.



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daiying98

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Answer to Question 1

B

Answer to Question 2

A




fagboi

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Reply 2 on: Jul 24, 2018
Excellent


ricroger

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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