A. Long tube
B. Short tube
C. Vacuum
D. Falling film
Related Mcqs:
- H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in meters) corresponding to an operating line given by, y = 5x + 0.001 is ______________________?
A. 2.0
B. 1.56
C. 1.0
D. 0.56 - When the liquid over a plate is of uniform concentration, then ______________________?
A. Murphree efficiency > point efficiency
B. Murphree efficiency < point efficiency
C. Murphree efficiency = point efficiency
D. Murphree efficiency ≠ point efficiency - _______________ equation applies to diffusivities in liquids?
A. Gilliland
B. Hirschfelder
C. Wilke and Chang
D. None of these - Separation of two volatile liquids by distillation makes use of their___________________?
A. Selectivity
B. Relative volatility
C. Solubility
D. Density difference - Separation of two volatile liquids by distillation makes use of their________________________?
A. Selectivity
B. Relative volatility
C. Solubility
D. Density difference - The equipment used in the extraction of highly corrosive radioactive liquids is_______________________?
A. Pulse column
B. Spray column
C. Mixer settler
D. Baffle tower - 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 non-ideal gases and liquids, the molal diffusivity ________________?
A. Varies inversely as the pressure
B. Varies directly as the pressure
C. Is independent of pressure
D. Is equal to the volumetric diffusivity - The binary diffusivity in gases and liquids vary respectively as_________________?
A. T3/2 and T
B. T and T3/2
C. √T and T3/2
D. T3/2 and √T - A plait point is the point on the solubility curve, where the tie line reduces to a point. What is the number of plait point for a ternary system containing two pairs of partially miscible liquids ?
A. 0
B. 1
C. 2
D. 3
