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

95

60

45

80

95

60

45

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Process Equipment and Plant Design
An underdesigned steam trap will

Waste steam

Back up condensate and cause water hammer in steam line

Destroy itself of acceleration wear due to rapid recycling

None of these

Waste steam

Back up condensate and cause water hammer in steam line

Destroy itself of acceleration wear due to rapid recycling

None of these

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Process Equipment and Plant Design
Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

May increase or decrease depending upon the plate spacing

Decreases

Increases

Remains same

May increase or decrease depending upon the plate spacing

Decreases

Increases

Remains same

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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

Both A & B

Is easy to fabricate

Has greater structural strength

Neither A nor B

Both A & B

Is easy to fabricate

Has greater structural strength

Neither A nor B

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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

34

18

6

12

34

18

6

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Process Equipment and Plant Design
What is the slope of the operating line in the stripping section of a distillation column?

> 1

< 1

?

> 1

< 1

?

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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 An underdesigned steam trap will

Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

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

Process Equipment and Plant Design What is the slope of the operating line in the stripping section of a distillation column?

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
An underdesigned steam trap will

Process Equipment and Plant Design
Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency

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

Process Equipment and Plant Design
What is the slope of the operating line in the stripping section of a distillation column?