Heat Mass Transfer

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Heat transfer in liquid and gases takes place by

Which of the following would lead to a reduction in thermal resistance?

The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to

Heat flows from one body to other when they have

In regenerator type heat exchanger, heat transfer takes place by

In free convection heat transfer, Nusselt number is function of

The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as

Which of the following statement is correct about heat transfer?

Joule sec is the unit of

The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means is known as

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