Mechanical Operations MCQ Questions & Answers | Chemical Engineering

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1.
Filtration capacity of a rotary drum vacuum filter depends upon the

A. Cake thickness

B. Characteristics of the feed slurry

C. Both A & B

D. Neither A nor B

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2.
__________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals.

A. Separation efficiency

B. Selectivity index

C. Concentration ratio

D. None of these

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3.
Moisture can be removed from lubricating oil using

A. Tubular centrifuge

B. Clarifier

C. Sparkler filter

D. Vacuum leaf filter

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4.
The capacity of a pneumatic conveying system depends upon the

A. Bulk density of materials

B. Pressure of the conveying air

C. Diameter of the conveying line

D. All of the above

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5.
In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the

A. Square root of the velocity

B. Square of the viscosity

C. Filtration time only

D. Washing time only

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