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Process Equipment and Plant Design

Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

0.2-0.5
0.4-0.9
1.2-1.5
0.1-0.2

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Process Equipment and Plant Design
Which of the following is the best tube material from thermal conductivity point of view alone?

Aluminium
Copper
Stainless steel
Carbon steel

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Process Equipment and Plant Design
Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower?

Density and viscosity of fluids
Fluid flow rates
All of these
Size, shape, orientation and surface of the packing particles

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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
2
43834
43832

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Aa = Sa
Aa = 1.5 Sa
Sa = 1.5 Aa
1.2 Aa = 1.2 Sa

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Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Either more or less (depending upon relative volatility)
Same as
Less than
More than

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