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Process Equipment and Plant Design

Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D⁵
D⁹
D
D²

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Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

Kinematic
Dynamic
Geometrical
All of these

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Process Equipment and Plant Design
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

15
7.5
2.5
20

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Process Equipment and Plant Design
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Pressure and temperature
Vapour molecular weight
All of these
Molal flow rate of vapour

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Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Decrease in gas solubility for absorbers
An increase in liquid viscosity
All of these
An increase in relatived volatility for rectification columns

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Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

4
43832
43834
2

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