Which of the following are true regarding a membrane-type humidifier?
1) Water and gas are separated by a hydrophobic membrane.
2) The membrane is permeable to water vapor but not to liquid water.
3) As with other passover humidifiers, there is no bubbling action.
4) A small layer of liquid water remains on both sides of the membrane.

Question

Quizplus · Accepted Answer

1) Water and gas are separated by a hydrophobic membrane - True, this is the basic principle of a membrane-type humidifier.
2) The membrane is permeable to water vapor but not to liquid water - True, this is what allows the water to pass through as water vapor and humidify the gas without creating any droplets.
3) As with other passover humidifiers, there is no bubbling action - True, as there is no bubbling action in this humidifier.
4) A small layer of liquid water remains on both sides of the membrane - False, there is no liquid water left behind, as the water vapor is what passes through the membrane.

Which of the Following Are True Regarding a Membrane-Type Humidifier