Chemical Engineering MCQs

6108 MCQs  (Page 251 of 611)

Attempt Chemical Engineering Quiz
Filter aid is used to____________________?
A. Increase the rate of filtration
B. Decrease the pressure drop
C. Increase the porosity of the cake
D. Act as a support base for the septum
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Sedimentation on commercial scale occurs in____________________?
A. Classifiers
B. Thickeners
C. Rotary drum filters
D. Cyclones
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Diatomaceous earth is a/an_________________?
A. Explosive
B. Filter aid
C. Filter medium
D. Catalyst
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Filter medium resistance is important during the ______________ of filtration?
A. Early stages
B. Final stages
C. Entire process
D. None of these
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A compressible cake has the_________________?
A. Maximum porosity at the upstream side
B. Maximum porosity at the filter medium
C. Same porosity throughout the cake thickness
D. None of these
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Crushing of mineral particles is accomplished in a ‘cage mill’, when one or more alloy steel bars are revolved in opposite directions. It is a type of ______________ mill?
A. Impact
B. Roll
C. Vibratory
D. None of these
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Filter medium resistance is that offered by the__________________?
A. Filter cloth
B. Embedded particles in the septum
C. Filter cloth and the embedded particle collectively
D. None of these
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Energy consumption in a crusher decreases with increase in the________________________?
A. Size of the product (at constant feed size)
B. Capacity of the crushing machine
C. Size of feed (at constant reduction ratio)
D. All a., b. & c.
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Mixing of light fine powder such as insecticides is done by____________________?
A. Banbury mixer
B. Pug mill
C. Impact wheels
D. Kneader
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The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?
A. 20
B. 12
C. 8
D. 2
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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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