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Author Question: Which of the following are true regarding an uncompensated Thorpe tube flowmeter? I. The needle ... (Read 47 times)

cagreen833

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on: Jul 16, 2018
Which of the following are true regarding an uncompensated Thorpe tube flowmeter?
  I. The needle valve is proximal to the Thorpe tube.
  II. The needle valve is distal to the Thorpe tube.
  III. The flowmeter reads accurately in the presence of back pressure.
  IV. The flowmeter reads higher in the presence of back pressure.
 A) I and III
  B) I and IV
  C) II and III
  D) II and IV

Question 2

Fixed orifice flowmeters operate by:
 A) the orifice size determining gas flow
  B) the pressure set proximal to the orifice determining gas flow
  C) the venturi principle
  D) balancing pressures across a proportioning valve


Juro

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Reply #1 on: Jul 16, 2018
Answer to Question 1

B

Answer to Question 2

A


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