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 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

∞

20.8

1

2

∞

20.8

1

2

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Process Equipment and Plant Design
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Downcomer liquid seal

None of these

Static submergence

Skirt clearance

Downcomer liquid seal

None of these

Static submergence

Skirt clearance

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

D²

1/D⁵

1/D

1/D²

D²

1/D⁵

1/D

1/D²

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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.

50

25

75

150

50

25

75

150

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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

All of these

Decrease in gas solubility for absorbers

An increase in relatived volatility for rectification columns

An increase in liquid viscosity

All of these

Decrease in gas solubility for absorbers

An increase in relatived volatility for rectification columns

An increase in liquid viscosity

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Process Equipment and Plant Design
Generally, elliptical dished heads

All of these

Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D

Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²

All of these

Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D

Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter

Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m²

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Process Equipment and Plant Design

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 The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

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 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 Generally, elliptical dished heads

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
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

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
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
Generally, elliptical dished heads