Danckwerts developed the ____________________ theory?
Danckwerts developed the ____________________ theory?
A. Penetration
B. Surface renewal
C. Film
D. None of these
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Freundlich equation applies to the adsorption of solute from_____________________?
Freundlich equation applies to the adsorption of solute from_____________________?A. Dilute solutions, over a small concentration range
B. Gaseous solutions at high pressure
C. Concentrated solutions
D. None of theseThe drying time between fixed moisture content within diffusion controlled ‘falling rate period’ is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid) ?
The drying time between fixed moisture content within diffusion controlled ‘falling rate period’ is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid) ?A. √T
B. T
C. T2
D. T3Most important factor to be considered in the selection of packings for absorbers is the ______________ of packing?
Most important factor to be considered in the selection of packings for absorbers is the ______________ of packing?A. Size
B. Durability
C. Porosity
D. CostIn case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?A. Lower than
B. Higher than
C. Equal to
D. Either A. or B., depends on the mixture composition__________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
Question: __________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
[A].Sherwood [B].
Stanton [C].
Lewis [D].
Peclet Answer: Option C
Explanation:
No answer description available for this question.
During constant rate drying period, vaporisation rate per unit drying surface area
Question: During constant rate drying period, vaporisation rate per unit drying surface area
[A].decreases with time. [B].
increases with time. [C].
does not change with time, [D].
does not affect the moisture content of the wet solid. Answer: Option C
Explanation:
No answer description available for this question.