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Heat Transfer

Heat Transfer
Natural convection is characterised by

Grashhoff number
Peclet number
Reynolds number
Prandtl number

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Heat Transfer
Corrosiveness of steam condensate is due to the presence of

Neither A nor B
Dissolved O₂
CO₂
Both A & B

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Heat Transfer
For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area

Remains constant
Passes through a maxima
Decreases
Increases

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Heat Transfer
The purpose of providing bleed points in the evaporator is to

Create vacuum
Admit the feed
Remove the product
Facilitate removal of non-condensable gases

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Heat Transfer
In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used

In low range of temperature differences
To prevent corrosion of the tube bundles
Because of its low cost
In high range of temperature differences

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Heat Transfer
In natural convection heat transfer, the correlating parameter is the

Grashoff number
Eckert number
Bond number
Graetz number

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MORE MCQ ON Heat Transfer

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