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Heat Transfer

Heat Transfer
Temperature profile in steady state heat transfer is

none of the listed here
parabolic
Linear
hyperbolic

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Heat Transfer
In pipe flow, heat is transferred from hot wall to the liquid by

Conduction only
Forced convection only
Free and forced convection
Forced convection and conduction

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Heat Transfer
Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is

In the central core of the fluid
Mainly confined to a thin film of fluid near the surface
Uniformly distributed throughout the fluid
None of these

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Heat Transfer
A BTU/hr.ft.2 °F is equal to

1 kcal/hr. m²°C
None of these
4.88 kcal/hr. m.2°C
1 kcal/hr. m².°K

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Heat Transfer
For hot feed, forward feeding as compared to backward feeding results in __________ economy.

None of these
Decreased
Increased
No effect on

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Heat Transfer
For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is

None of these
Backward
Parallel
Forward

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