Mass Transfer-Data Intensity 4 Multiple Questions and Answers.




11.The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if__?
A. NSc = 1
B. NSc = NPr = NLe
C. NPr = NLe
D. NSc = NLe

12.During sensible cooling process ___?
A. Relative humidity decreases
B. Relative humidity increases
C. Wet bulb temperature decreases
D. Both B and C

13.The boiling points of pure components of a binary system __________ with increase in total pressure of the system ?
A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease, depends on the system

14.Large scale usage of flash distillation is practised in ___?
A. Soap manufacturing
B. Ammonia synthesis plant
C. Polymerisation industry
D. Petroleum refining

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