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

1

∞

2

20.8

1

∞

2

20.8

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Process Equipment and Plant Design
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

D/2 or minimum 2" to 5D

D/5 or minimum 2" to 5D

None of these

D/5 or minimum 2" to D

D/2 or minimum 2" to 5D

D/5 or minimum 2" to 5D

None of these

D/5 or minimum 2" to D

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Process Equipment and Plant Design
The stress developed in a material without any permanent set is called the

Elastic limit

Breaking stress

Yield stress

Ultimate stress

Elastic limit

Breaking stress

Yield stress

Ultimate stress

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Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

Be designed without wind load considerations

Be supported very easily

Withstand higher pressure for a given metallic shell thickness

Be fabricated very easily

Be designed without wind load considerations

Be supported very easily

Withstand higher pressure for a given metallic shell thickness

Be fabricated very easily

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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

Avoid back-trapping

None of these

Allow for thermal expansion and facilitate installation

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

Avoid back-trapping

None of these

Allow for thermal expansion and facilitate installation

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

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Process Equipment and Plant Design
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by

Di, opt = 3 Q0.36 ρ0.18

Di, opt = 3.9 Q0.45 . ρ0.23

Di, opt = 3 Q0.36 . ρ1.86 μ0.08

Di, opt = 7.6 Q0.36 . ρ0.9

Di, opt = 3 Q0.36 ρ0.18

Di, opt = 3.9 Q0.45 . ρ0.23

Di, opt = 3 Q0.36 . ρ1.86 μ0.08

Di, opt = 7.6 Q0.36 . ρ0.9

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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 If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

Process Equipment and Plant Design The stress developed in a material without any permanent set is called the

Process Equipment and Plant Design Spherical shaped pressure vessel is considered to be the most ideal, because it can

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 For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given 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
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

Process Equipment and Plant Design
The stress developed in a material without any permanent set is called the

Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

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
For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by