The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

4 P/A

A/P

4 A/P

√A

4 P/A

A/P

4 A/P

√A

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Lower skirt clearance

Lower static submergence

Small downcomer liquid seal

Liquid gradient on the tray

Lower skirt clearance

Lower static submergence

Small downcomer liquid seal

Liquid gradient on the tray

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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
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.

1/10-1/15th

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

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Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

4" dia cap with 8" dia riser

8" dia cap with 1" dia riser

6" dia cap with 4" dia riser

1" dia cap with 0.5" dia riser

4" dia cap with 8" dia riser

8" dia cap with 1" dia riser

6" dia cap with 4" dia riser

1" dia cap with 0.5" dia riser

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Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

43835

1000-1500

100-150

20-40

43835

1000-1500

100-150

20-40

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Process Equipment and Plant Design

Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

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 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 The most common standard size of bubble caps used in industrial operation is

Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

Process Equipment and Plant Design
The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid)

Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

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
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
The most common standard size of bubble caps used in industrial operation is

Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.