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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

44058
44183
43895
43962

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Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Twice
More
Same
Less

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Process Equipment and Plant Design
Accidents in chemical plants are mostly due to

Inadequate equipment design
Faulty operating procedures
Improper layout of the equipments
Failure of equipments

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

1.25 to 3.125
0.3 to 0.8
3.5 to 7.0
44055

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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?

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

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

1000
5000
10000
3000

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