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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. 701) Which of the following binary systems is an example of a maximum boiling azeotrope?

(A) Water-hydrochloric acid
(B) Acetone-carbon disulphide
(C) Water-ethyl alcohol
(D) n-heptane-n-octane
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Mr. Dubey • 51.17K Points
Coach

Q. 702) For an absorber, both equilibrium and operating line will be straight for

(A) Concentrated solution and non-isothermal operation
(B) Dilute solution and non-isothermal operation
(C) Dilute solution and isothermal operation
(D) Concentrated solution and isothermal operation
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M

Mr. Dubey • 51.17K Points
Coach

Q. 703) Channelling is most severe

(A) In towers packed with stacked packing
(B) In towers packed randomly with crushed solids
(C) In dumped packing of regular units
(D) At very high liquid flow rate
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Mr. Dubey • 51.17K Points
Coach

Q. 704) Penetration model (theory) for mass transfer was enunciated by

(A) Danckwerts
(B) Toor and Marcello
(C) Higbie
(D) Kissinevskii
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M

Mr. Dubey • 51.17K Points
Coach

Q. 705) Pick out the correct statement.

(A) Bound moisture is removed during constant rate drying period
(B) Free moisture is removed during falling rate drying period
(C) The sum of free moisture and equilibrium moisture in a solid is called the critical moisture
(D) The driving force for mass tr
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M

Mr. Dubey • 51.17K Points
Coach

Q. 706) Milk is dried usually in a __________ dryer.

(A) Freeze
(B) Spray
(C) Tray
(D) Rotary
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Mr. Dubey • 51.17K Points
Coach

Q. 707) Extraction of coffee from its seed is done by

(A) Liquid-liquid extraction
(B) Leaching
(C) Extractive distillation
(D) Steam distillation
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Mr. Dubey • 51.17K Points
Coach

Q. 708) Unit of molal diffusivity is

(A) cm2/sec gm . mole
(B) gm moles/cm2 . sec
(C) gm moles/cm. sec
(D) gm moles/cm2. sec
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Mr. Dubey • 51.17K Points
Coach

Q. 709) When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of

(A) Vapour pressure of component A to that of component B
(B) Vapour pressure of component A to the total pressure
(C) Vapour pressure of component A to the partial pressure of A
(D) Partial pressure of component A to the total pressure
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Mr. Dubey • 51.17K Points
Coach

Q. 710) In case of non-ideal gases and liquids, the molal diffusivity

(A) Varies inversely as the pressure
(B) Varies directly as the pressure
(C) Is independent of pressure
(D) Is equal to the volumetric diffusivity
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