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Author Question: What controls the heating elements in most electric furnaces? A) Heat relays B) Sequencers C) ... (Read 65 times)

Destiiny22

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on: Jul 24, 2018
What controls the heating elements in most electric furnaces?
 
  A) Heat relays B) Sequencers C) Thermistors D) Contactors

Question 2

A normally open set of relay contacts will close when:
 
  A) Power is applied to the relay coil. B) Power is applied to the contacts.
  C) Power is not applied to the contacts. D) Power is not applied to the relay coil.


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dpost18

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

B

Answer to Question 2

A


Destiiny22

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

cdmart10

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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