Molecular sieves are regenerated by heating to ______________ °C?
Molecular sieves are regenerated by heating to ______________ °C?
A. < 150
B. 200-330
C. > 500
D. > 1000
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The diffusion co-efficient in m2/s. of acetic acid in benzene (liquid in liquid) is___________________?
The diffusion co-efficient in m2/s. of acetic acid in benzene (liquid in liquid) is___________________?A. 2.09 × 10-4
B. 2.09 × 10-5
C. 2.09 × 10-9
D. 2.09 × 10-12For stripping of a gas in a counter current stripper, the operating line _____________________?
For stripg 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 curveThe relative saturation of an unsaturated mixture of gas and vapor is independent of the___________________?
The relative saturation of an unsaturated mixture of gas and vapor is independent of the___________________?A. Nature of the vapor
B. Temperature of the mixture
C. Composition of the mixture
D. None of theseDanckwerts developed the ____________________ theory?
Danckwerts developed the ____________________ theory?A. Penetration
B. Surface renewal
C. Film
D. None of theseIn case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is__________________?
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______________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids ?
______________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids ?A. Wetted wall
B. Packed
C. Plate
D. Spray