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Author Question: What is the pressure in psi required to lift water 20 feet? A) 14.7 psijust enough to overcome ... (Read 138 times)

Destiiny22

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on: Jul 24, 2018
What is the pressure in psi required to lift water 20 feet?
 
  A) 14.7 psijust enough to overcome atmospheric pressure
  B) (20 ft  0.433 lb/ft) 144 in2/ft2 = 0.06 psi
  C) 20 ft  0.433 lb/ft = 8.66 psi
  D) It is not possible to determine the pressure without knowing the cross sectional area of the pipe.

Question 2

The date of inspection for refrigerant containers that require inspection:
 
  A) Should be painted by the number of the refrigerant type on the side of the container.
  B) Must be stamped on the top of the container.
  C) Must be painted the same color as the refrigerant container.
  D) Is always stamped on the bottom of the container.


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flexer1n1

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

C

Answer to Question 2

B


Destiiny22

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


flexer1n1

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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