Chemical Engineering MCQs

6108 MCQs  (Page 263 of 611)

Attempt Chemical Engineering Quiz
The work index in Bond’s law for crushing of solids has the following dimensions__________________?
A. No units (dimensionless)
B. Kwh/ton
C. Kw/ton
D. Kwh.m1/2/ton
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Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an________________?
A. Air filter
B. Bag filter
C. Venturi scrubber
D. Hydrocyclones
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All resistances during washing of cake _____________________?
A. Increases
B. Decreases
C. Remain constant
D. None of these
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Which of the following is the softest material ?
A. Talc
B. Feldspar
C. Corundum
D. Calcite
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Which of the following mechanical conveyors does not come under the division „scrapers‟ ?
A. Ribbon conveyor
B. Flight conveyor
C. Bucket elevators
D. Drag conveyor
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Close circuit grinding by a ball mill with air sweeping employs a _______________________?
A. Classifier
B. Cyclone separator between mill & classifier
C. Both a. & b.
D. Neither a. nor b.
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Trommels separate a mixture of particles depending on their_____________________?
A. Size
B. Density
C. Wettability
D. Electrical & magnetic properties
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The inlet pressure in a constant rate filtration____________________?
A. Increases continuously
B. Decreases gradually
C. Remains constant
D. None of these
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For spheres, volume shape factor is given by____________________?
A. Π = (a/d2)
B. 2π = (2a/d2)
C. Π/6 = (v/d3)
D. Ad/v
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Which of the following screens has the maximum capacity ?
A. Grizzlies
B. Trommels
C. Shaking screen
D. Vibrating screen
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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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