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.Management Sciences
Category: CHEMICAL ENGINEERING
The capacity of an accumulator is the maximum_________________?
0
A. Energy which it can store
B. Discharge which it can deliver
C. Liquid which it can store
D. None of these
Can the efficiency of a plate in the distillation tower be greater than 100% ?
A. Yes
B. Normally not; but is possible if infinite number of plates are put
C. Never
D. Yes; if the reflux ratio is maximum
A stream tube is that, which has ______________________ cross-section entirely bounded by stream lines?
A. A circular
B. Any convenient
C. A small
D. A large
The ratio of shear stress to shear strain is called ____________________?
A. Bulk modulus
B. Shear modulus
C. Modulus of rigidity
D. Modulus of elasticity
NSc/NPr is called the______________________?
A. Psychrometric ratio
B. Lewis number
C. Sherwood number
D. Stanton number
About _________________ ton of coke is required in a cupola to produce one ton of casting ?
A. 0.03
B. 0.3
C. 0.8
D. 1.5
Most widely and commonly used coagulant for the removal of suspended impurities in water is __________________?
A. Bleaching powder
B. Slaked lime
C. Alum
D. Copper sulphate
Specific ____________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.)?
A. Entropy
B. Internal energy
C. Enthalpy
D. Gibbs free energy
Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?
A. Increase its smoke point
B. Improve its oxidation stability
C. Decrease the breathing loss
D. None of these
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