A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

80

45

60

95

80

45

60

95

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Process Equipment and Plant Design
In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

0.5

1.2

6.8

3.8

0.5

1.2

6.8

3.8

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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

σh = σL/2

σh = σL

No relation exists

σh = 2 σL

σh = σL/2

σh = σL

No relation exists

σh = 2 σL

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Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Salting

Viscous

Foamy

Scaling

Salting

Viscous

Foamy

Scaling

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Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Either more or less (depending upon relative volatility)

Same as

Less than

More than

Either more or less (depending upon relative volatility)

Same as

Less than

More than

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Process Equipment and Plant Design
In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement

Results in higher shell side pressure drop

Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient

Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid

Can accomodate less number of tubes for a given shell diameter

Results in higher shell side pressure drop

Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient

Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid

Can accomodate less number of tubes for a given shell diameter

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Process Equipment and Plant Design

Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

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

Process Equipment and Plant Design __________ liquor is best handled in a long tube vertical evaporator.

Process Equipment and Plant Design Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

Process Equipment and Plant Design
In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. .

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

Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design
In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement