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Author Question: Traditional methods of capacity control for centrifugal compressors include: A) Adjustable pitch ... (Read 82 times)

NguyenJ

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on: Jul 27, 2018
Traditional methods of capacity control for centrifugal compressors include:
 
  A) Adjustable pitch impellers. B) Cylinder unloading.
  C) Discharge outlet vanes. D) Variable inlet vanes and motor speed control.

Question 2

In order to leak test a low-pressure chiller, the chiller pressure:
 
  A) Must be reduced to a safe level, under 150 psig.
  B) Must be increased to a positive pressure less than 10 psig.
  C) Must be recovered and replaced with nitrogen.
  D) Should be increased by adding nitrogen.


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mjenn52

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

B


NguyenJ

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

gcook

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Reply 3 on: Yesterday
Wow, this really help

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