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Process Equipment and Plant Design

Process Equipment and Plant Design
for couplings and unions would be

350
Negligible
60
200

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Process Equipment and Plant Design
Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger?

75% cut segmental baffle
25% cut segmental baffle
Disk and doughnut baffle
Orifice baffle

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

No relation exists
σh = σL
σh = σL/2
σh = 2 σL

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

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

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Equal to
Twice
0.6-0.8 times
2 ft irrespective of (for column > 3 ft diameter)

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Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Flared out
Ring plate
Fluid in
Nozzle or rim

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