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.

60

45

80

95

60

45

80

95

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Process Equipment and Plant Design
Which of the following efficiencies can be greater than 100%?

Point efficiency

Murphree plate efficiency

None of these

Overall plate efficiency

Point efficiency

Murphree plate efficiency

None of these

Overall plate efficiency

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Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

High specific heat

Low corrosiveness

Low dirt factor

Low viscosity

High specific heat

Low corrosiveness

Low dirt factor

Low viscosity

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

Positive

Negative

No

None of these

Positive

Negative

No

None of these

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Process Equipment and Plant Design
Which of the following packing materials provides for maximum mass transfer?

Raschig rings

Cross-partition rings

All of these

Lessig rings

Raschig rings

Cross-partition rings

All of these

Lessig rings

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Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

12

6

18

34

12

6

18

34

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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 Which of the following efficiencies can be greater than 100%?

Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers.

Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer?

Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

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
Which of the following efficiencies can be greater than 100%?

Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

Process Equipment and Plant Design
Which of the following packing materials provides for maximum mass transfer?

Process Equipment and Plant Design
The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.