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Author Question: A solenoid is ________. A) a reversing relay that is used to start heat pumps B) a valve that is ... (Read 52 times)

BRWH

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on: Jul 26, 2018
A solenoid is ________.
 
  A) a reversing relay that is used to start heat pumps
  B) a valve that is controlled (opened and closed) by gravity and springs
  C) a valve that is controlled (open and closed) by springs and a magnetic field produced by a coil

Question 2

The normally closed contacts of a relay ________.
 
  A) pass current at all times whether or not the coil is energized
  B) pass current when the coil is not energized
  C) pass current when the coil is energized


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bdobbins

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

C

Answer to Question 2

B


BRWH

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

robbielu01

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Reply 3 on: Yesterday
Excellent

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