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Author Question: The three essential requirements for a useful electric circuit are: A) A power source, a magnetic ... (Read 26 times)

NguyenJ

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on: Jul 24, 2018
The three essential requirements for a useful electric circuit are:
 
  A) A power source, a magnetic field, and a path for current flow.
  B) A magnetic field, a path for current flow, and a switch.
  C) A power source, a path for current flow, and a switch.
  D) A power source, a path for current flow, and an electrical load.

Question 2

A refrigeration system dataplate states that the low-side test pressure is 150 psig. This means that:
 
  A) The low side should not be pressurized above 150 psig.
  B) The low-side pressure should be 150 psig when the system is running its self-test.
  C) The low side should operate with a pressure of 150 psig at all times.
  D) The low-side pressure will be 150 psig when the system is operating at design conditions.


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mjenn52

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

D

Answer to Question 2

A


NguyenJ

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

jomama

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Reply 3 on: Yesterday
:D TYSM

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