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Author Question: How can the centrifugal compressor speed be higher than the motor speed? A) By using ... (Read 62 times)

stevenposner

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on: Jul 24, 2018
How can the centrifugal compressor speed be higher than the motor speed?
 
  A) By using speed-increasing gears
  B) By using a drive belt with a smaller pulley on the motor than on the compressor
  C) Because of the inertia of the impeller
  D) By using a drive belt with a larger pulley on the motor than on the compressor

Question 2

Which of the following allows air-to-water systems to run more efficiently than air-to-air systems?
 
  A) Cold temperatures are an optimal environment. B) Auxiliary heat is not needed as much.
  C) Supplemental heat is energized all the time. D) They do not need to be defrosted.


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Galvarado142

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

A

Answer to Question 2

B


stevenposner

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Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

sailorcrescent

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Reply 3 on: Yesterday
Excellent

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