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
Back-trapping in a distillation column results due to

Low gas velocity

Low reflux ratio

High gas velocity

Excessive liquid gradient over the tray

Low gas velocity

Low reflux ratio

High gas velocity

Excessive liquid gradient over the tray

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Process Equipment and Plant Design
Column support for the roof of cylindrical storage tank must be provided for

All of these

Large diameter tanks

Small diameter tall tanks

Small diameter tanks

All of these

Large diameter tanks

Small diameter tall tanks

Small diameter tanks

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Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

(d1 + d2)/d1

D1/(d1 + d2)

(d1 + d2)/d2

D2/(d1 + d2)

(d1 + d2)/d1

D1/(d1 + d2)

(d1 + d2)/d2

D2/(d1 + d2)

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Process Equipment and Plant Design
Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.

85

20

30

45

85

20

30

45

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Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Brazed

Screwed

Flanged

Welded

Brazed

Screwed

Flanged

Welded

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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 Back-trapping in a distillation column results due to

Process Equipment and Plant Design Column support for the roof of cylindrical storage tank must be provided for

Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

Process Equipment and Plant Design Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.

Process Equipment and Plant Design For high pressure process equipments/vessels, the connected nozzle should be

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
Back-trapping in a distillation column results due to

Process Equipment and Plant Design
Column support for the roof of cylindrical storage tank must be provided for

Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

Process Equipment and Plant Design
Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres.

Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be