Rayleigh’s equation applies to _________________ distillation?
Rayleigh’s equation applies to _________________ distillation?
A. Continuous
B. Steam
C. Differential
D. Flash
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Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant______________________?
Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant______________________?A. Humidity
B. Velocity
C. Temperature
D. All A., B. & C.In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is__________________?
In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is__________________?A. Equal to the heat of formation of surface compound
B. Equal to the heat of wetting
C. Zero
D. Called integral heat of adsorptionPenetration theory relates the average mass transfer co-efficient (K) with diffusivity D. as____________________?
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity D. as____________________?A. K ∝D
B. K ∝√D
C. K ∝D1.5
D. K ∝D2In case of constant underflow extraction operation, the __________ at all solute concentration.
Question: In case of constant underflow extraction operation, the __________ at all solute concentration.
[A].solids are drained to the same extent [B].
ratio of the insoluble to solution is constant [C].
both(a) & (b) [D].
neither (a) nor (b) Answer: Option C
Explanation:
No answer description available for this question.
Agitator is provided in a crystalliser for____________________?
Agitator is provided in a crystalliser for____________________?A. Avoiding deposition on cooler surfaces
B. Formation of nuclei
C. Crystal growth
D. All A., B. and C.According to Chilton-Colburn analogy for mass transfer, NSt.NSc 2/3 is equal to_________________?
According to Chilton-Colburn analogy for mass transfer, NSt.NSc 2/3 is equal to_________________?A. f
B. f/2
C. 2f
D. 1/f