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Humidification - Mass Transfer MCQ Questions

Humidification MCQs : Here you will find MCQ Questions related to "Humidification" in Mass Transfer. These Humidification MCQ Questions Will help you to improve your Mass Transfer knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

One type of evaporative humidifier makes use of just a reservoir and wick. Sometimes called a?

A. Evaporative humidifiers
B. Vaporizers
C. Natural humidifiers
D. Impeller humidifiers

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Question 2

Which of the following is made of a porous material that absorbs water from the reservoir and provides a larger surface area for it to evaporate from?

A. reservoir
B. wick
C. fan
D. All of the above

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Question 3

The most common portable humidifier, an evaporative, cool moisture, or wick humidifier?

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 4

In humidification the gas is ____________ in the liquid for the mass transfer to take part.

A. Soluble
B. Insoluble
C. Partially soluble
D. Inert

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Question 5

Which of the following are Advantages of Drums?

A. Requirement for frequent
B. Water evaporation even when humidification is not required
C. Mold growth in the pan full of water
D. Inexpensive maintenance

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Question 6

At the gas temperature, the liquid is in equilibrium with vapour for ____________

A. Unsaturated gas
B. Partially saturated gas
C. Saturated gas
D. None of the above

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Question 7

A vaporizer (steam humidifier, warm mist humidifier) heats or boils water, releasing steam and moisture into the air.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 8

Partial pressure equals vapour pressure if it is___________

A. Saturated
B. Unsaturated
C. Isothermal
D. None of the above

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Question 9

The system is unsaturated if partial pressure _________ equilibrium vapour pressure.

A. Greater than
B. Less than
C. Equals to
D. All of the above

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Question 10

Which of the following are Advantages of Disc wheels?

A. Very low maintenance
B. No regular replacement of parts necessary
C. Can be installed in hard water situations
D. All of the above

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