Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the

Heat Transfer
Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the

Condensate is corrosive in nature

Temperature of the incoming vapor is very high

Lower pressure drop through the exchanger is desired

Higher condensing film co-efficient is desired

Condensate is corrosive in nature

Temperature of the incoming vapor is very high

Lower pressure drop through the exchanger is desired

Higher condensing film co-efficient is desired

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Heat Transfer
A graph between __________ is called Wilson plot.

V0.8 Vs . U

1/U Vs . 1/V

1/U Vs . 1/v0.8

1/v0.8 Vs . U

V0.8 Vs . U

1/U Vs . 1/V

1/U Vs . 1/v0.8

1/v0.8 Vs . U

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Heat Transfer
When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.

none of the listed here

transition

film

pool

none of the listed here

transition

film

pool

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Heat Transfer
1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C.

4.88

1

None of these

1.49

4.88

1

None of these

1.49

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Heat Transfer
Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer.

lower

the largest

no

the least

lower

the largest

no

the least

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Heat Transfer
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Condensation

Grashoff

Stantan

Brinkman

Condensation

Grashoff

Stantan

Brinkman

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Heat Transfer

Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the

Heat Transfer A graph between __________ is called Wilson plot.

Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.

Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C.

Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer.

Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Heat Transfer
Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the

Heat Transfer
A graph between __________ is called Wilson plot.

Heat Transfer
When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling.

Heat Transfer
1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C.

Heat Transfer
Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer.

Heat Transfer
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.