Zero
Hundred
Both zero and hundred
None of these
✅ The correct answer is option C.
Chemical Engineering MCQs
For stripping of a gas in a counter current stripper, the operating line
Lies above the equilibrium curve
Lies below the equilibrium curve
Can lie above or below the equilibrium curve
Is always parallel to the equilibrium curve
✅ The correct answer is option C.
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their
Viscosity
Density
Solubility
Relative volatility
✅ The correct answer is option C.
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is
Insoluble in the liquid
Soluble in the liquid
Non-ideal in nature
At a fixed temperature
✅ The correct answer is option A.
Leaching of uranium ore and gold ore is done in
Centrifugal extractor
Pachuka tanks
Bollman extractor
None of these
✅ The correct answer is option B.
The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is
#REF!
#REF!
Zero
None of these
✅ The correct answer is option A.
Desulphurisation of petrol is done in a
Bollman extractor
Rotating disc extractor
Packed extraction column
Plate type extraction column
✅ The correct answer is option B.
The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by
Raising the temperature
Lowering the total pressure
Both A & B
Neither A nor B
✅ The correct answer is option C.
In gas-liquid contact operation, the number of ideal stages, N = (xa – xb)/(xb – x*b) . This is true when the stripping factor ‘S’ is
S > 1
S < 1
S = 1
S = ∞
✅ The correct answer is option A.