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Dear candidates you will find MCQ questions of Mass Transfer here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

M

Mr. Dubey • 51.17K Points
Coach

Q. 721) (NRe . NSc) is termed in mass transfer operation as the __________ number.

(A) Stanton
(B) Sherwood
(C) Peclet
(D) None of these
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M

Mr. Dubey • 51.17K Points
Coach

Q. 722) At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbent

(A) Increases
(B) Decreases
(C) Remains unchanged
(D) Increases exponentially
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M

Mr. Dubey • 51.17K Points
Coach

Q. 723) With lapse of time, the overhead composition of light component in case of batch distillation with constant reflux

(A) Increases
(B) Decreases
(C) Remain same
(D) May increase or decrease; depends on system
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M

Mr. Dubey • 51.17K Points
Coach

Q. 724) HETP is numerically equal to HTU, only when the operating line

(A) Lies below the equilibrium line
(B) Lies above the equilibrium line
(C) And equilibrium lines are parallel
(D) Is far from the equilibrium line
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M

Mr. Dubey • 51.17K Points
Coach

Q. 725) The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called

(A) Decoction
(B) Percolation
(C) Elutriation or elution
(D) None of these
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M

Mr. Dubey • 51.17K Points
Coach

Q. 726) __________ 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
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M

Mr. Dubey • 51.17K Points
Coach

Q. 727) The recovery of penicillin from the acidified fermentation broth is done by

(A) Distillation
(B) Evaporation
(C) Absorption
(D) Liquid extraction
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M

Mr. Dubey • 51.17K Points
Coach

Q. 728) Drift in a cooling tower is

(A) The water entrained by the circulating air
(B) Dependent on the water lost by evaporation
(C) Desirable
(D) All (A), (B) & (C)
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M

Mr. Dubey • 51.17K Points
Coach

Q. 729) In McCabe-Thiele method, at infinite reflux ratio

(A) The overhead product is minimum
(B) Both the operating lines coincide with diagonal
(C) Both (A) and (B)
(D) Neither (A) nor (B)
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M

Mr. Dubey • 51.17K Points
Coach

Q. 730) Gaseous diffusivity at atmospheric pressure is of the order of __________ cm2/second.

(A) 1
(B) 1 to 5
(C) 5 to 10
(D) > 10
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