Chemical Engineering MCQs

6108 MCQs  (Page 259 of 611)

Attempt Chemical Engineering Quiz
Temperature of the product during ultrafine grinding_____________________?
A. Increases
B. Decreases
C. Remain constant
D. May increase or decrease; depends on the material being ground
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The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant ______________ filtration?
A. Rate
B. Pressure
C. Both a. & b.
D. Neither a. nor b.
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The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size)?
A. C/s
B. S/c
C. S . c
D. 1/s . c
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Limestone is normally crushed in a _____________________?
A. Roll crusher
B. Hammer crusher
C. Ball mill
D. Tube mill
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Screen capacity is not a function of__________________?
A. Its openings size
B. Screening mechanism
C. Screening surface
D. Atmospheric humidity
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Screen capacity is proportional to (where, S = screen aperture)____________________?
A. S
B. 1/s
C. S2
D. √s
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The process opposite to ‘dispersion’ is termed as the___________________?
A. Flocculation
B. Sedimentation
C. Filtration
D. None of these
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Tank filter (e.g., Nutsche filter) is___________________?
A. A high pressure filter
B. A continuous filter
C. Used for small scale filtration work
D. A leaf filter
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Which of the following is not a revolving/tumbling mill used for size reduction ?
A. Compartment mill
B. Pebble mill
C. Cage mill
D. Rod mill
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Reduction ratio of crushers is the___________________?
A. Ratio of feed opening to discharge opening
B. Ratio of discharge opening to feed opening
C. Determining factor for minimum dia of the feed and the product
D. None of these
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
نازک، کاغذی، آسانی سے ٹوٹ جانیوالا

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