Author Question: Which of the following devices would you select if the goal was to accurately meter the flow through ... (Read 16 times)

sjones · **on:** Jul 16, 2018

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 · **Reply #1 on:** Jul 16, 2018

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).