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Process Equipment and Plant Design

Process Equipment and Plant Design
In chemical process equipments, the conical bottom heads used, usually has an apex angle of

40°
20°
60°
80°

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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?

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

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

Remains same
Increases
Decreases
None of these

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Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.25 to 0.50
0.8 to 0.9
0.5 to 0.8
0.05 to 0.15

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Process Equipment and Plant Design
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Plain carbon steel and cast iron parts are used
Wall thickness is > 30 mm
Material of construction is high alloy steel
Both B & C

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Process Equipment and Plant Design
In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube?

Long tube vertical evaporator
Horizontal tube evaporator
None of these
Short tube vertical evaporator

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