When minimal fluctuations in pressure and flow are critical ...

[brutforce]

When minimal fluctuations in pressure and flow are critical factors, which of the following pres-sure-reducing valves would be the best choice?
 
  a. Single-stage preset pressure-reducing valve
  b. Multiple-stage pressure-reducing valve
  c. Uncompensated Thorpe tube flowmeter
  d. Bourdon adjustable pressure regulator

Question 2

When used to control the flow of medical gases to a patient, how is a flow restrictor classified?
 
  a. Variable-orifice, constant-pressure flow-meter device
  b. Fixed-orifice, variable-pressure flowmeter device
  c. Variable-orifice, variable-pressure flow-meter device
  d. Fixed-orifice, constant-pressure flowmeter device

[Rilsmarie951]

Answer to Question 1

ANS: B
For this reason, a multiple-stage reducing valve should be considered only if minimal fluctuations in pressure or flow are critical factors, as in research activities. For routine hospital work, sin-gle-stage reducing valves are satisfactory.

Answer to Question 2

ANS: D
A flow restrictor is a fixed-orifice, constant-pressure flowmeter device.

[brutforce]

Gracias!

[fatboyy09]

Thanks for the timely response, appreciate it