Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

Tendency towards stable operation is increased by increasing the skirt clearance of the caps, lowering the rate of liquid flow per unit plate width or increasing the spacing between the caps

The dimensionless ratio of liquid gradient to pressure drop head caused by the bubble cap assembly should be less than 0.4

The pressure drop due to the caps & slots and the static submergence should be as high as practicable for reasonable operation

None of these

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

L to 3

12.5 to 18.5

4 to 8

3 to 12.5

L to 3

12.5 to 18.5

4 to 8

3 to 12.5

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Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

Density of the gas and inversely as viscosity of the gas

Density of the gas, but is independent of the viscosity of the gas

Viscosity of the gas and inversely as density of the gas

None of these

Density of the gas and inversely as viscosity of the gas

Density of the gas, but is independent of the viscosity of the gas

Viscosity of the gas and inversely as density of the gas

None of these

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Process Equipment and Plant Design
In chemical process equipments, the conical bottom heads used, usually has an apex angle of

60°

20°

80°

40°

60°

20°

80°

40°

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Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Cake & filter medium resistance

Viscosity of filtrate

Both A & B

Filtering area & the pressure difference driving force

Cake & filter medium resistance

Viscosity of filtrate

Both A & B

Filtering area & the pressure difference driving force

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Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to

Allow for thermal expansion and facilitate installation

Avoid back-trapping

Drain the liquid from the tray when the unit is not in operation

None of these

Allow for thermal expansion and facilitate installation

Avoid back-trapping

Drain the liquid from the tray when the unit is not in operation

None of these

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Process Equipment and Plant Design

Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm.

Process Equipment and Plant Design In a bag filter, the pressure drop increases directly as the

Process Equipment and Plant Design In chemical process equipments, the conical bottom heads used, usually has an apex angle of

Process Equipment and Plant Design Rate of filtrate delivery is inversely proportional to the

Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to

Process Equipment and Plant Design
Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

Process Equipment and Plant Design
In chemical process equipments, the conical bottom heads used, usually has an apex angle of

Process Equipment and Plant Design
Rate of filtrate delivery is inversely proportional to the

Process Equipment and Plant Design
An adequate clearance between the tray and the shell wall of a distillation column is provided to