Chemical Engineering MCQs

6108 MCQs  (Page 240 of 611)

Attempt Chemical Engineering Quiz
The sphericity of a solid particle of cubical shape is ___________________?
A. Π
B. (π/6)1/3
C. (π/6)1/2
D. Π/3
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To remove dirt from the flowing fluid, we use a ____________________?
A. Coagulant
B. Gravity settler
C. Strains
D. Clarifier
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The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a __________________?
A. Boundary mixer
B. Propeller agitator
C. Sharpies centrifuge
D. None of these
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Which of the following may prove unsuitable for filtering volatile liquids ?
A. Pressure filter
B. Gravity filter
C. Centrifugal filter
D. Vacuum filter
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A screen is said to be blinded, when the___________________?
A. Over-sizes are present in undersize fraction
B. Under-sizes are retained in oversize fraction
C. Screen is plugged with solid particles
D. Screen capacity is abruptly increased
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Wet grinding in a revolving mill ______________ as compared to dry grinding ?
A. Gives less wear on chamber walls
B. Requires more energy
C. Increases capacity
D. Complicates handling of the product
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Which of the following is not a part of the Blake jaw crusher ?
A. Hanger
B. Check plates
C. Toggles
D. Pitman
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Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?
A. Gravity separation
B. Wettability
C. Particle shape
D. None of these
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Cumulative analysis for determining surface is more precise than differential analysis, because of the_______________?
A. Assumption that all particles in a single fraction are equal in size
B. Fact that screening is more effective
C. Assumption that all particles in a single fraction are equal in size, is not needed
D. None of these
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Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity ?
A. Sphere
B. Cube
C. Cylinder (l/d = 1)
D. Raschig rings
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Word of the Day
27 Jul
Widen
make or become wider.
چوڑا ہونا، کشادہ کرنے کا عمل

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