Chemical Engineering MCQs

6108 MCQs  (Page 246 of 611)

Attempt Chemical Engineering Quiz
For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?
A. 5
B. 50
C. 500
D. 5000
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Which of the following is not categorised as a “mechanical operation”?
A. Agitation
B. Filtration
C. Size enlargement
D. Humidification
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Grinding characteristic of a material is given by its___________________?
A. Hgi
B. Angle of repose
C. Shatter index
D. Abrasion index
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Ball mills and tube mills with flint or porcelain balls are used for size reduction of_______________?
A. Asbestos
B. Rubber
C. Non-metallic ores
D. Limestone
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Gravity settling process is not involved in the working of a________________?
A. Hydrocyclone
B. Classifier
C. Dorr-thickener
D. Sedimentation tank
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With increase in drum speed, in a rotary drum filter, the filtration rate_______________?
A. Increases
B. Increases linearly
C. Decreases
D. Is not affected
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Mixing of plastic solids is generally facilitated by___________________?
A. Dispersion
B. Mastication
C. Kneading
D. None of these
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The main size reduction operation in ultrafine grinders is_____________?
A. Cutting
B. Attrition
C. Compression
D. Impact
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Which of the following is not used as a filter medium in case of corrosive liquids?
A. Nylon
B. Glass cloth
C. Metal cloth of monel or stainless steel
D. Cotton fabric
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Which of the following is a pressure filter ?
A. Leaf filter (moore filter)
B. Plate and flame filter
C. Rotary drum filter
D. Sand filter
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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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