Which of the following devices would you select if the goal was ...

[sjones]

Which of the following devices would you select if the goal was to accurately meter the flow through a jet nebulizer?
 
  a. Bourdon gauge
  b. Flow restrictor
  c. Uncompensated Thorpe tube
  d. Compensated Thorpe tube

Question 2

Which of the following are true about a Bourdon gauge?
 
  1. It is always used with an adjustable high-pressure reducing valve.
  2. It actually senses pressure but is calibrated to display flow.
  3. It reads a flow higher than actual if downstream pressure increases.
  4. It will register zero flow when the outlet is completely blocked.
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 2, 3, and 4 only

[morrie123456]

Answer to Question 1

ANS: D

Answer to Question 2

ANS: B
Because it measures upstream pressure, the gauge registers flow even when the outlet is com-pletely blocked (Figure 40-24).

[sjones]

Excellent

[lindahyatt42]

Gracias!