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Process Equipment and Plant Design

Process Equipment and Plant Design
Apex angle of conical heads used in the bottom heads of chemical process equipments is usually

45°
30°
75°
60°

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Process Equipment and Plant Design
With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT

Increases very rapidly
Increases linearly
Decreases very rapidly
Remains constant

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Process Equipment and Plant Design
Floating head heat exchangers are used for the

Co-current heat transfer systems
Cases where temperature difference between the shell and the tubes is more (>50°C)
Counter-current heat transfer systems
Heat transfer between corrosive fluids

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

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

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the 'tube pitch' is defined as the

None of these
Shortest distance between two adj acent tube holes
Shortest centre to centre distance between adjacent tubes
O.D. of the tube for square pitch

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

A hold down bar
Bolts
Rivets
Both B and C

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