Heat and Mass Transfer Thermal diffusivity is a All of these Dimensionless parameter Function of temperature Physical property of a substance All of these Dimensionless parameter Function of temperature Physical property of a substance ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The highest thermal diffusivity is of Lead Iron Concrete Wood Lead Iron Concrete Wood ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body) k. A. (dx/dT) k. (dT/dx) k. A. (dT/dx) k. (dx/dT) k. A. (dx/dT) k. (dT/dx) k. A. (dT/dx) k. (dx/dT) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following is the case of heat transfer by radiation? Blast furnace Cooling of parts in furnace Heat received by a person from fireplace Heating of building Blast furnace Cooling of parts in furnace Heat received by a person from fireplace Heating of building ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Counter flow Parallel flow All of these Cross flow Counter flow Parallel flow All of these Cross flow ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer 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 Forced convection Conduction Radiation Free convection Forced convection Conduction Radiation Free convection ANSWER DOWNLOAD EXAMIANS APP
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