7. Ah alr Washer can Work as a (a) filter only (b) humidifier only (c) dehumidif

Question

7. Ah alr Washer can Work as a (a) filter only (b) humidifier only (c) dehumidifier only (d) all of the above 8. The relative humidity, during sensible heating (a) can increase or decrease (b) increases (c) decreases (d) remains constant. 9. The vapour pressure, during sensible heating of moist air, (a) increases (b) decreases (c) can increase or decrease (d) remains constant. 10. The relative humidity, during heating and humidification, (a) increases (b) decreases (c) may increase or decrease (d) remains constant. 11. The relative humidity, during cooling and dehumidification of moist air (a) increases (b) decreases (c) can increase or decrease (d) remains constant. Answers

Explanation / Answer

Ans 7

Option D is the correct answer

Air washer is a device that is used to improve the air quality.

Air particles pass from the filter and improve the quality of air through the air washer

Air washer is a hybrid device. It adjust the humidity level so that surroundings remain consistent. So it works as a humidifier as well as dehumidifier.

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