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ESE ME 2018 Achiever Study Plan: Heat Transfer Quiz 3

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Question 1

In the laminar flow of air (Pr = 0.7) over a heated plate. if δ and δ_T denote, respectively, the hydrodynamic and thermal boundary layer thicknesses, then

Question 2

Which among the following statements are correct?

Question 3

What happens in thermal boundary layer?

Question 4

Grashof number signifies the ratio of

Question 5

The value of nusselt number for a circular material, laminar flow and constant heat flux is

Question 6

The denominator of the Nusselt number involves the thermal conductivity of the

Question 7

For flow of viscous fluid over a flat plate, if the fluid temperature is the same as the plate temperature, the thermal boundary layer is

Question 8

For laminar forced convection over a flat plate, if the free stream velocity increases by a factor of 2, the average heat transfer coefficient

Question 9

Convective heat transfer coefficient depends on the parameters

Question 10

The critical Reynolds number for flow over a flat plate is _____ and for flow through a round tube is ____

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ESE & GATE ME Heat Transfer

Jul 16ESE & GATE ME