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Author Question: A technician checks the resistance of the primary winding on a transformer and reads 0. 2 ohms. This ... (Read 123 times)

serike

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on: Jul 26, 2018
A technician checks the resistance of the primary winding on a transformer and reads 0. 2 ohms. This tells the technician that:
 
  A) The transformer should be rewired to use the secondary winding.
  B) The primary winding is shorted.
  C) The primary winding is open.
  D) The primary winding is good.

Question 2

Why might leak testing with nitrogen be preferable to using R-22?
 
  A) Environmental concerns B) System safety
  C) Post-detection clean-up D) Refrigerant recovery


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Sarahjh

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

B

Answer to Question 2

A


serike

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Reply 2 on: Jul 26, 2018
Wow, this really help

kswal303

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Reply 3 on: Yesterday
Gracias!

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