Chemical Engineering MCQs

A. Gas side mass transfer co-efficient should be increased
B. Liquid side mass transfer co-efficient should be increased
C. Liquid side mass transfer co-efficient should be decreased
D. Mass transfer co-efficient must be kept constant

A. Rapid absorption rates and good heat transfer characteristics
B. Improved flooding characteristics
C. Low pressure drop on pumping
D. All a., b. and c.

A. Individual mass transfer co-efficient (m.t.c.) in gaseous system
B. M.t.c. of individual components in a liquid-liquid system
C. M.t.c. of liquid in liquid-gas system
D. The overall m.t.c. of the system

A. 0.50
B. 0.60
C. 1
D. 2

A. Packed column
B. Sieve tray
C. Bubble cap
D. Any of these

A. Temperature
B. Vapour pressure of either component
C. Total pressure
D. None of these

A. Toluene-benzene
B. Acetone-carbon disulphide
C. Water-isobutyl alcohol
D. None of these

A. Diffusion
B. Heat transfer
C. Both a. and b.
D. Neither a. nor b.

A. Electrical resistance
B. Thermal conductivity
C. Strength
D. None of these

A. Directly proportional to ‘t1.5’
B. Inversely proportional to ‘p’
C. Dependent on the molecular volume & molecular weight of components
D. All a , b. & c.