Maximum plate efficiency is achieved in case of __________ flow.

Process Equipment and Plant Design
Maximum plate efficiency is achieved in case of __________ flow.

Cross

Split

Cascade

Reverse

Cross

Split

Cascade

Reverse

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Packed

Sieve plate

None of these

Bubble cap plate

Packed

Sieve plate

None of these

Bubble cap plate

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Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

25

150

50

75

25

150

50

75

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

All of these

Depth of liquid above the bubble cap slots

Vapour velocity in the volume between the plates

Plate spacing

All of these

Depth of liquid above the bubble cap slots

Vapour velocity in the volume between the plates

Plate spacing

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Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by

All of these

Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must

Providing a higher skirt clearance or a higher weir

Using split flow, radial flow or cascade flow for column diameter large than 4 ft

All of these

Decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must

Providing a higher skirt clearance or a higher weir

Using split flow, radial flow or cascade flow for column diameter large than 4 ft

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Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Sensible heat changes for vapour & liquid are negligibly small

Reflux is not a saturated liquid

Heat of mixing of normal liquid is assumed to be zero

Molar latent heat of the two components are equal

Sensible heat changes for vapour & liquid are negligibly small

Reflux is not a saturated liquid

Heat of mixing of normal liquid is assumed to be zero

Molar latent heat of the two components are equal

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Process Equipment and Plant Design

Process Equipment and Plant Design Maximum plate efficiency is achieved in case of __________ flow.

Process Equipment and Plant Design __________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Process Equipment and Plant Design Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

Process Equipment and Plant Design Which of the following factors determine the amount of entrainment in a distillation column?

Process Equipment and Plant Design Liquid gradient over a tray can be minimised by

Process Equipment and Plant Design Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Process Equipment and Plant Design
Maximum plate efficiency is achieved in case of __________ flow.

Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

Process Equipment and Plant Design
Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than __________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop.

Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

Process Equipment and Plant Design
Liquid gradient over a tray can be minimised by

Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?