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Author Question: The economizer on a commercial packaged air conditioning system A) Limits the operating cycles of ... (Read 40 times)

j.rubin

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on: Jul 26, 2018
The economizer on a commercial packaged air conditioning system
 
  A) Limits the operating cycles of the system to no more than 15 minutes
  B) Reduces the voltage to the compressor during peak loads to save power
  C) Uses outdoor air to provide cooling at low ambient temperatures
  D) Reduces the indoor blower speed during peak loads to produce cooler air and save energy

Question 2

The three major electrical defects in compressor motors that can be identified using an ohm meter are:
 
  A) Phased, unbalanced, or blown.
  B) Open, shorted, or grounded.
  C) Locked, under capacity, and unbalanced.
  D) Single phasing, dual phasing, and three phasing.


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abro1885

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

C

Answer to Question 2

B


j.rubin

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Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

EAN94

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Reply 3 on: Yesterday
Excellent

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