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.Management Sciences
A. Results from very low gas velocity
B. Is desirable from point efficiency consideration
C. Is characterised by the presence of foam throughout the space between trays
D. Reduces the overall pressure drop
Related Mcqs:
- The mass transfer co-efficient for a solid sphere of radius ‘a’ dissolving in a large volume of quiescent liquid, in which „D’ is the diffusivity of solute, is _____________________?
- A. D/a B. D/2a C. Proportional to √D D. Dependent on the Reynolds number...
- Large scale usage of flash distillation is practised in __________________?
- A. Soap manufacturing B. Ammonia synthesis plant C. Polymerisation industry D. Petroleum refining...
- The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C ?
- A. 25 B. > 25 C. < 25 D. – 25...
- With the lowering of equilibrium pressure, at a given temperature, the amount of adsorbate on the adsorbent ?
- A. Increases B. Decreases C. Remain same D. Either A. or B., depends on the system...
- Steady state equimolal counter diffusion is encountered in_____________________?
- A. Separation of a binary mixture by distillation B. Absorption of NH3 from air by water C. All liquid-liquid diffusion systems D. All liquid-solid diffusion systems...
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