In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

Process Equipment and Plant Design
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

1/5-1/10th

1/20-1/30th

1/2 to 1/4th

1/10-1/15th

1/5-1/10th

1/20-1/30th

1/2 to 1/4th

1/10-1/15th

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Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a horizontal tube evaporator.

Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres

It is suitable for process, in which the final product is a liquor instead of solid

Liquor flows inside the tube, while the steam is outside submerging the tube

It is unsuitable for concentrating those liquids, which form a scale or deposit salt

Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres

It is suitable for process, in which the final product is a liquor instead of solid

Liquor flows inside the tube, while the steam is outside submerging the tube

It is unsuitable for concentrating those liquids, which form a scale or deposit salt

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

50% of the plate spacing

2.5"

0.5"

5"

50% of the plate spacing

2.5"

0.5"

5"

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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
Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

0.25 to 8

0.25 to 4

1 to 12

1 to 5

0.25 to 8

0.25 to 4

1 to 12

1 to 5

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Process Equipment and Plant Design
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

20

2.5

15

7.5

20

2.5

15

7.5

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Process Equipment and Plant Design

Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator.

Process Equipment and Plant Design Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

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 Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

Process Equipment and Plant Design
In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of a horizontal tube evaporator.

Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

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
Frame thickness in the plate and frame filter press is normally in the range of __________ inches.

Process Equipment and Plant Design
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.