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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Increases
Remains same
None of these
Decreases

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Process Equipment and Plant Design
Saddle supports are used for supporting __________ vessels.

Thick spherical
Horizontal cylinderical
Thick walled vertical
Tall vertical

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Process Equipment and Plant Design
In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.

l/15th
l/30th
l/50th
l/5th

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Process Equipment and Plant Design
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?

Flat plate extending across the wall
Disk type baffle
Segmental baffle
Helical type baffle

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Process Equipment and Plant Design
Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?

Larger dia long vessel
Smaller dia vessel
Larger dia vessel
Strength of the vessel is same irrespective of the diameter

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

HG = 1.004G0.37
1.004G0.8
HG = 0.0176G0.37
0.0176G1.37

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