Chemical Engineering MCQs

6108 MCQs  (Page 230 of 611)

Attempt Chemical Engineering Quiz
_____________ is the most suitable for compounding rubber and plastic solids ?
A. Banbury mixer
B. Pan mixer
C. Pug mill
D. Charge can mixer
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During filtration operation, the filtrate encounters the resistance of the ___________________?
A. Filter medium
B. Cake
C. Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter
MedIum
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Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the ______________________?
A. State or manner of application of the crushing force
B. Ultimate strength of the material
C. Elastic constant of the material
D. All a., b. and c.
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Size measurement of ultrafine particles can be best expressed in terms of___________________?
A. Centimetre
B. Screen size
C. Micron
D. Surface area per unit mass
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Which of the following achieves the least reduction ratio for a given feed size ?
A. Jaw crusher
B. Roll crusher
C. Cone crusher
D. Gyratory crusher
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As particle size is reduced__________________?
A. Screening becomes progressively more difficult
B. Screening becomes progressively easier
C. Capacity and effectiveness of the screen is increased
D. None of these
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Reciprocal of sphericity is termed as the________________?
A. Specific surface ratio
B. Shape factor
C. Sauter diameter
D. Surface area per unit mass
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Filtration of water in a paper mill is done by a/an _______________ filter?
A. Open sand
B. Plate and frame
C. Vacuum leaf
D. Sparkler
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With increase in the capacity of screens, the screen effectiveness__________________?
A. Remains unchanged
B. Increases
C. Decreases
D. Decreases exponentially
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As per Taggart’s formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms) ?
A. Ls
B. 93 ls
C. 250 ls
D. √(ls)
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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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