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
In shell and tube heat exchangers, straight tie rods are used to

Account for thermal strain

None of these

Hold baffle in space

Fix the tubes in position

Account for thermal strain

None of these

Hold baffle in space

Fix the tubes in position

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Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

25 cms

I.D. of the shell

5 cms

40% of the I.D. of the shell

25 cms

I.D. of the shell

5 cms

40% of the I.D. of the shell

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Process Equipment and Plant Design
The ratio of shear stress to shear strain is called

Bulk modulus

Shear modulus

Modulus of elasticity

Modulus of rigidity

Bulk modulus

Shear modulus

Modulus of elasticity

Modulus of rigidity

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Process Equipment and Plant Design
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

Equal to

More than

Less than

Either B or C; depends on maximum permissible internal pressure

Equal to

More than

Less than

Either B or C; depends on maximum permissible internal pressure

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Process Equipment and Plant Design
Seamless pipe is made

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

Both B and C

By extrusion & casting into static and centrifugal molds

From rolled strips formed into cylinders and seam-welded

By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer point and further reducing it by rolling gas drawing

Both B and C

By extrusion & casting into static and centrifugal molds

From rolled strips formed into cylinders and seam-welded

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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 In shell and tube heat exchangers, straight tie rods are used to

Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

Process Equipment and Plant Design The ratio of shear stress to shear strain is called

Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

Process Equipment and Plant Design Seamless pipe is made

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 shell and tube heat exchangers, straight tie rods are used to

Process Equipment and Plant Design
Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to

Process Equipment and Plant Design
The ratio of shear stress to shear strain is called

Process Equipment and Plant Design
The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends.

Process Equipment and Plant Design
Seamless pipe is made