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
The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is

∞

Minimum

0

1

∞

Minimum

0

1

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

None of these

Point efficiency

Murphree plate efficiency

Overall plate efficiency

None of these

Point efficiency

Murphree plate efficiency

Overall plate efficiency

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Process Equipment and Plant Design
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.

5

20

55

35

5

20

55

35

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Large plate spacing

Large reflux ratio

Resistance offered to flow of liquids by caps & risers and the flow of gas

Low gas velocity

Large plate spacing

Large reflux ratio

Resistance offered to flow of liquids by caps & risers and the flow of gas

Low gas velocity

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Is easy to fabricate

Neither A nor B

Both A & B

Has greater structural strength

Is easy to fabricate

Neither A nor B

Both A & B

Has greater structural strength

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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 The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is

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

Process Equipment and Plant Design Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.

Process Equipment and Plant Design Liquid gradient over the tray results due to the

Process Equipment and Plant Design Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

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
The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is

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

Process Equipment and Plant Design
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.

Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder