Molecular sieves are regenerated by heating to ______________ °C?
Molecular sieves are regenerated by heating to ______________ °C?
A. < 150
B. 200-330
C. > 500
D. > 1000
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Removal of ______________ exemplifies an adsorption unit operation?
Removal of ______________ exemplifies an adsorption unit operation?A. Uranium from its ore
B. Water from petrol
C. Ammonia from coke oven gas
D. Mustard oil from mustard seedJD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by
Question: JD factor for mass transfer is a function of Reynolds number. Mass transfer by molecular diffusion from a single drop to surrounding still air is given by
[A].Nsh = 2 [B].
Nst = 2 [C].
Nsc = 2 [D].
none of these Answer: Option A
Explanation:
No answer description available for this question.
Desulphurisation of petrol is done in a
Question: Desulphurisation of petrol is done in a
[A].Bollman extractor [B].
rotating disc extractor [C].
packed extraction column [D].
plate type extraction column Answer: Option B
Explanation:
No answer description available for this question.
Minimum possible diameter of a packed coloumn is decided mainly by the
Question: Minimum possible diameter of a packed coloumn is decided mainly by the
[A].flooding [B].
gas viscosity [C].
liquid density [D].
liquid hold up Answer: Option A
Explanation:
No answer description available for this question.
Which of the following plays an important role in problems of simultaneous heat and mass transfer ?
Which of the following plays an important role in problems of simultaneous heat and mass transfer ?A. Lewis number
B. Schmidt number
C. Prandtl number
D. Sherwood numberRayleigh’s equation applies to ________________ distillation?
Rayleigh’s equation applies to ________________ distillation?A. Continuous
B. Steam
C. Differential
D. Flash