Advantages of a Bourdon gauge flowmeter include which of the ...

[jake]

Advantages of a Bourdon gauge flowmeter include which of the following?
  I. It is very compact.
  II. It works in any position.
  III. It is accurate in the presence of back pressure.
  IV. It is back-pressure compensated.
 A) I
  B) I and II
  C) I, II, and III
  D) I, II, III, and IV

Question 2

Prior to gas entering the proportioning valve of an air-oxygen blender, it is important that:
 A) air and oxygen pressure are equal
  B) a two-stage reducing valve is connected to the blender's inlet
  C) a single-stage reducing valve is connected to the blender's inlet
  D) that both gas inlets are connected to oxygen

[Dinolord]

Answer to Question 1

B

Answer to Question 2

A

[jake]

Great answer, keep it coming

[amcvicar]

Thanks for the timely response, appreciate it