Mass Transfer-Data Intensity 1 | Multiple Questions and Answers

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Mass Transfer-Data Intensity 1 Multiple Questions and Answers.

11.	To remove all the moisture from a wet solid it requires exposure to ____ air?

	A.	Perfectly dry
	B.	Highly humid
	C.	High temperature
	D.	None of these

12.	The cooling effect in a cooling tower can be speeded up by ____?

	A.	Increasing the air velocity and area of exposed wet surface
	B.	Reducing the barometric pressure
	C.	Reducing the humidity of the air
	D.	All of above

13.	The Knudsen diffusivity is proportional to (where, T = absolute temperature)?

	A.	?T
	B.	T2
	C.	T
	D.	T4

14.	A natural draft cooling tower is filled with wooden grids, which covers about ____ percent of the tower height?

	A.	15-Oct
	B.	30-40
	C.	70-80
	D.	90-100

15.	With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop___?

	A.	Decreases
	B.	Remains unchanged
	C.	Increases
	D.	Decreases exponentially

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Date to Date Current Affairs 2022

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