511. All moisture in a non-hygroscopic material is the __________ moisture.
Free
Equilibrium
Unbound
Bound
✅ The correct answer is option C.
Mass Transfer MCQs
512. The reciprocal of stripping factor is termed as
Selectivity index
Relative volatility
Absorption factor
Murphree efficiency
✅ The correct answer is option C.
513. For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement.
No change in theoretical
Marginal decrease in the number of
Major decrease in the number of
None of these
✅ The correct answer is option B.
514. Dry bulb temperature of the gas is __________ the wet bulb temperature.
Less than
More than
Equal to
None of these
✅ The correct answer is option B.
515. Degree of freedom for leaching and solvent extraction process is
1
3
0
2
✅ The correct answer is option B.
516. The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________
1
0.5
10
0
✅ The correct answer is option A.
517. The film penetration model of mass transfer was enunciated by
Gilliland
Toor and Marchello
Stefan
Fick
✅ The correct answer is option B.
518. Free flowing granular materials can be best dried in a __________ drier.
Rotary
Cylinder
Drun
Freeze
✅ The correct answer is option A.
519. Acetic acid will be most economically separated from a dilute solution of acetic acid in water by
Solvent extraction
Continuous distillation
Evaporation
Absorption
✅ The correct answer is option A.
520. The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an
Pure component
Binary mixture
Ternary mixture
Insoluble binary system
✅ The correct answer is option A.