A. Operating line always lies above the equilibrium curve
B. Operating line always lies below the equilibrium curve
C. Temperature remains unaffected
D. Temperature always increases
Related Mcqs:
- For stripping of a gas in a counter current stripper, the operating line _____________________?
A. Lies above the equilibrium curve
B. Lies below the equilibrium curve
C. Can lie above or below the equilibrium curve
D. Is always parallel to the equilibrium curve - Leaching rate is independent of the________________?
A. Agitation
B. Temperature
C. Particle size
D. None of these - Molecular diffusion is caused by the________________?
A. Transfer of molecules from low concentration to high concentration region
B. Thermal energy of the molecules
C. Activation energy of the molecules
D. Potential energy of the molecules - Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the________________?
A. Latent heat
B. Humid heat
C. Specific heat
D. Sensible heat - In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is__________________?
A. Equal to the heat of formation of surface compound
B. Equal to the heat of wetting
C. Zero
D. Called integral heat of adsorption - In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?
A. Lower than
B. Higher than
C. Equal to
D. Either A. or B., depends on the mixture composition - In case of absorption, both the operating and equilibrium lines will be straight for______________?
A. Isothermal operation
B. Dilute solutions
C. Dilute solutions and isothermal operation
D. None of these - In case of liquids, the binary diffusivity is proportional to (where, T = temperature) _____________________?
A. T
B. √T
C. T2
D. 1/T - In case of binary distillation, increasing the reflux ratio above optimum does not result in the increase of_______________________?
A. Area between operating line and 45° diagonal x-y diagram
B. Condenser and reboiler surfaces
C. Tower cross-section
D. None of these - In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the__________________?
A. Temperature and pressure
B. Concentration
C. Nature of the constituents
D. None of these
