An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

An increase in liquid viscosity

An increase in relatived volatility for rectification columns

Decrease in gas solubility for absorbers

All of these

An increase in liquid viscosity

An increase in relatived volatility for rectification columns

Decrease in gas solubility for absorbers

All of these

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

1

2

∞

20.8

1

2

∞

20.8

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Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

σh = σL/2

σh = σL

No relation exists

σh = 2 σL

σh = σL/2

σh = σL

No relation exists

σh = 2 σL

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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 static submergence

Small downcomer liquid seal

Lower skirt clearance

Liquid gradient on the tray

Lower static submergence

Small downcomer liquid seal

Lower skirt clearance

Liquid gradient on the tray

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Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 5

1/8 and 1/64

1/2 and 8

1/64 and 1/8

1/2 and 5

1/8 and 1/64

1/2 and 8

1/64 and 1/8

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Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Both A & B

Changes in temperature

Neither A nor B

Cross-sectional area

Both A & B

Changes in temperature

Neither A nor B

Cross-sectional area

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Process Equipment and Plant Design

Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

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 Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the

Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

Process Equipment and Plant Design
In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

Process Equipment and Plant Design
In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by

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
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the