Question:
Humidification involves:
Humidification involves:
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Humidification = Add moisture, Dehumidification = Remove moisture.
Updated On: May 21, 2026
- Removal of moisture from air
- Addition of moisture to air
- Heating of dry solids
- Cooling of liquids
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The Correct Option is B
Solution and Explanation
Concept:
Humidification is a mass transfer operation in which moisture (water vapor) is added to air. It is the opposite of dehumidification, where moisture is removed.
Step 1: Understanding humidification.
Humidification refers to:
• Increasing the moisture content of air
• Increasing relative humidity
Step 2: Mechanism.
This is achieved by:
• Passing air over water surface
• Spraying water into air stream
• Using humidifiers
Step 3: Evaluating options.
• Removal of moisture — This is dehumidification
• Addition of moisture — Correct definition
• Heating of dry solids — Not related
• Cooling of liquids — Not related
Step 4: Final reasoning.
Since humidification directly refers to adding moisture to air, option (2) is correct. Final Conclusion:
Humidification involves addition of moisture to air. Hence, the correct answer is option (2).
Step 1: Understanding humidification.
Humidification refers to:
• Increasing the moisture content of air
• Increasing relative humidity
Step 2: Mechanism.
This is achieved by:
• Passing air over water surface
• Spraying water into air stream
• Using humidifiers
Step 3: Evaluating options.
• Removal of moisture — This is dehumidification
• Addition of moisture — Correct definition
• Heating of dry solids — Not related
• Cooling of liquids — Not related
Step 4: Final reasoning.
Since humidification directly refers to adding moisture to air, option (2) is correct. Final Conclusion:
Humidification involves addition of moisture to air. Hence, the correct answer is option (2).
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