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Process Equipment and Plant Design

Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Brown
Yellow
Sea green
Red

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Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

8
4
2
1/2

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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

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

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Process Equipment and Plant Design
Larger depth of liquid on the trays of a distillation column

Neither A nor B
Both A & B
Leads to high tray efficiency
Results in higher pressure drop per tray

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

Positive
No
None of these
Negative

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Process Equipment and Plant Design
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Flat plate
Conical
Ellipsoidal (2 : 1)
Hemispherical

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