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.Management Sciences
Category: CHEMICAL ENGINEERING
The time taken for gravity flow of a fixed volume of liquid (as in Redwood viscometer) is directly proportional to its __________________?
A. Absolute viscosity
B. Ratio of absolute viscosity to density
C. Density
D. Reynolds number
Thorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?
A. Thermal
B. Fast breeder
C. Heavy water moderated
D. Enriched uranium
The catalytic converter for conversion of SO2 to SO3 by contact process should have a feed with SO2 content between___________________?
A. 2-5 %
B. 7-10 %
C. 12-15 %
D. 20-25 %
Fusion point of a basic refractory material is________________?
A. Reduced by the addition of acid oxides
B. Increased by the addition of acid oxides
C. Not affected by the addition of acid oxides
D. Always less than 1000°C
Rotary dryers cannot handle _______________ materials ?
A. Free flowing
B. Dry
C. Sticky
D. Granular
A fluid element has a velocity V = -y2. xi + 2yx2 . j. The motion at (x, y) = (1/√2, 1) is_________________?
A. Rotational and incompressible
B. Rotational and compressible
C. Irrotational and compressible
D. Irrotational and incompressible
Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the____________________?
A. Density separation
B. Differential wettability
C. Size
D. Volatile matter content
Coke oven regenerators are made of ______________ bricks?
A. Fire clay
B. Silica
C. Low thermal conductivity
D. High electrical conductivity
For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system _____________ as its mole fraction increases?
A. Decreases
B. Increases
C. Remain same
D. Decreases linearly
Which of the following material handling equipments is not suitable for moving materials in varying paths ?
A. Hand trolley
B. Belt conveyor
C. Crane
D. Truck
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