Heat and Mass Transfer The amount of heat flow through a body by conduction is Dependent upon the material of the body Directly proportional to the surface area of the body Directly proportional to the temperature difference on the two faces of the body All of these Dependent upon the material of the body Directly proportional to the surface area of the body Directly proportional to the temperature difference on the two faces of the body All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction gives the heat flow for Irregular surfaces Nonuniform temperature surfaces Two dimensional cases only One dimensional cases only Irregular surfaces Nonuniform temperature surfaces Two dimensional cases only One dimensional cases only ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer by radiation mainly depends upon All of these Nature of the body Kind and extent of its surface Its temperature All of these Nature of the body Kind and extent of its surface Its temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is the case of heat transfer by radiation? Cooling of parts in furnace Blast furnace Heat received by a person from fireplace Heating of building Cooling of parts in furnace Blast furnace Heat received by a person from fireplace Heating of building ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is 0.55 0.45 0.4 0.75 0.55 0.45 0.4 0.75 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is expected to have highest thermal conductivity? Steam Melting ice Solid ice Water Steam Melting ice Solid ice Water ANSWER DOWNLOAD EXAMIANS APP
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