A. That of normal condensation
B. Integral heat of adsorption
C. Zero
D. None of these
A. A solution of benzene, toluene and o-xylene
B. 35% solution of camphor in water
C. 35% solution of NH3 in water
D. A solution of polar organic compounds (not of homologue of a series)
Which of the following solutions will follow Raoult’s law most closely ? Read More »
Mass Transfer, MCQs / Q&A A. Chemical properties
B. Physical properties
C. Degree of turbulence
D. Interfacial area
A. Both liquids flow at fixed rate
B. Both liquids can have any desired flow rate
C. Only one of the liquids may be pumped at any desired rate
D. Liquid’s flow rate depends upon the temperature and pressure
In a counter-current liquid extractor___________________? Read More »
Mass Transfer A. Greater degree of separation with a fixed number of trays
B. Increased reboiler load
C. Increased reflux ratio
D. None of these
A. K ∝ D
B. K ∝√D
C. K ∝ D1.5
D. K ∝ D2
A. Maintaining high critical humidity
B. Maintaining low critical humidity
C. Coating the product with inert material
D. Both A. and C.
The caking of crystals can be prevented by _____________________? Read More »
Mass Transfer A. Only one component
B. Two components
C. Any number of components
D. Only saturated liquid
In distillation, overhead product contains ______________________? Read More »
Mass Transfer A. Ammonia in water
B. Benzol present in coke oven gas by wash oil
C. SO2 in alkaline solution
D. All A., B. and C.
A. Decreases rapidly
B. Increases rapidly
C. Remain constant
D. Is maximum
Under conditions of flooding in packed tower, the gas pressure drop___________________? Read More »
Mass Transfer