Chemical Engineering MCQs

6108 MCQs  (Page 262 of 611)

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Fibrous material is broken by a__________________?
A. Roll-crusher
B. Squirrel-cage disintegrator
C. Ball mill
D. Tube mill
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_____________ conveyors are also called scrapers?
A. Apron
B. Screw
C. Helical flight
D. Both b. & c.
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Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their_________________?
A. Particle sizes
B. Densities
C. Terminal velocities
D. None of these
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__________ conveyor is the most suitable for short distance transportation of non-abrasive loose materials like garbage, grain, food wastes etc?
A. Flight
B. Screw
C. Drag
D. Belt
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Gelatinous solid (which plug the septum) can be filtered by a _____________ filter?
A. Sparkler
B. Plate and frame
C. Vacuum leaf
D. Pre-coat
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Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is ________________ ?
A. 0.5
B. 1
C. √2
D. √3
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For benefication of iron ore, the most commonly used method is______________?
A. Flocculation
B. Froth floatation
C. Jigging & tabling
D. None of these
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Basic slag is not ground in_________________?
A. Jaw crushers
B. Ball mills
C. Compartment mills
D. Tube mills
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Stamp mills are generally used for crushing__________________?
A. Iron ores
B. Gold ores
C. Talc
D. Diamond
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Which of the following minerals is not subjected to magnetic separation method ?
A. Rutile
B. Galena
C. Chromite
D. Siderite
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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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