In a shell and tube heat exchanger, tube side __________ of the mass velocity.

Process Equipment and Plant Design
In a shell and tube heat exchanger, tube side __________ of the mass velocity.

Neither A nor B

Pressure drop is proportional to the square

Both A & B

Heat transfer co-efficient is proportional to 0.8th power

Neither A nor B

Pressure drop is proportional to the square

Both A & B

Heat transfer co-efficient is proportional to 0.8th power

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Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

More than

Same as

Less than

Either more or less (depending upon relative volatility)

More than

Same as

Less than

Either more or less (depending upon relative volatility)

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Process Equipment and Plant Design
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Pressure and temperature

Vapour molecular weight

All of these

Molal flow rate of vapour

Pressure and temperature

Vapour molecular weight

All of these

Molal flow rate of vapour

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Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

None of these

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Maximum permissible vapour velocity

Flooding limit of the column

None of these

Total cost consideration (fixed cost of the column plus the cooling water & steam cost)

Maximum permissible vapour velocity

Flooding limit of the column

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

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

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

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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?

Flat plate

Hemispherical

Ellipsoidal (2 : 1)

Conical

Flat plate

Hemispherical

Ellipsoidal (2 : 1)

Conical

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Process Equipment and Plant Design

Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity.

Process Equipment and Plant Design Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Process Equipment and Plant Design Optimum reflux ratio in a continuous distillation column is determined by the

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

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
In a shell and tube heat exchanger, tube side __________ of the mass velocity.

Process Equipment and Plant Design
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.

Process Equipment and Plant Design
In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower.

Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

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

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?