Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the

Process Equipment and Plant Design
Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the

Sensible heat differences are small, because the temperature changes from tray to tray is small

Liquid/vapor loading across the column remains constant

All of these

Trouton's rule is applicable

Sensible heat differences are small, because the temperature changes from tray to tray is small

Liquid/vapor loading across the column remains constant

All of these

Trouton's rule is applicable

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

0.6-0.8 times

Equal to

Twice

2 ft irrespective of (for column > 3 ft diameter)

0.6-0.8 times

Equal to

Twice

2 ft irrespective of (for column > 3 ft diameter)

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Process Equipment and Plant Design
In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.

1.1 to 1.5

2.7 to 3

1.6 to 2

2.2 to 2.6

1.1 to 1.5

2.7 to 3

1.6 to 2

2.2 to 2.6

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

8" dia cap with 1" dia riser

4" dia cap with 8" dia riser

6" dia cap with 4" dia riser

1" dia cap with 0.5" dia riser

8" dia cap with 1" dia riser

4" dia cap with 8" 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
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

3.5-5.5

44119

1.5-2.5

7.5-10.0

3.5-5.5

44119

1.5-2.5

7.5-10.0

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Process Equipment and Plant Design
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Ellipsoidal (2 : 1)

Conical

Hemispherical

Flat plate

Ellipsoidal (2 : 1)

Conical

Hemispherical

Flat plate

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Process Equipment and Plant Design

Process Equipment and Plant Design Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the

Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.

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

Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

Process Equipment and Plant Design For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Process Equipment and Plant Design
Mc Cable Thiele method used for finding theoretical stages in a distillation column assumes that the

Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Process Equipment and Plant Design
In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.

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

Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

Process Equipment and Plant Design
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?