Author Question: Unheated bubble humidifiers are of limited effectiveness at flows above which of the following? ... (Read 232 times)

javeds

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Unheated bubble humidifiers are of limited effectiveness at flows above which of the following?
 
  a. 4 L/min
  b. 6 L/min
  c. 8 L/min
  d. 10 L/min

Question 2

Increasing the flow through an unheated bubble humidifier has which of the following effects?
 
  a. Decreasing the water vapor content
  b. Decreasing the relative humidity
  c. Increasing the water vapor content
  d. Increasing the relative humidity



Edwyer

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Answer to Question 1

ANS: D
Unheated bubble humidifiers are of limited effectiveness at flow rates higher than 10 L/min.

Answer to Question 2

ANS: A
As gas flow increases, these devices become less efficient as the reservoir cools and contact time is reduced.



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