Heat and Mass Transfer The amount of radiation mainly depends on Type of surface of body Nature of body Temperature of body All of these Type of surface of body Nature of body Temperature of body All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the body to another by the actual motion of the heated particles, is called None of these Radiation Conduction Convection None of these Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of 270 9 3 81 270 9 3 81 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat transfer from a hot body to a cold body is directly proportional to the surface area and difference of temperatures between the two bodies. This statement is called Newton's law of heating Stefan's law First law of thermodynamics Newton's law of cooling Newton's law of heating Stefan's law First law of thermodynamics Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat exchangers, degree of approach is defined as the difference between temperatures of Cold water inlet and outlet Hot medium inlet and outlet Hot medium outlet and cold water inlet Hot medium outlet and cold water outlet Cold water inlet and outlet Hot medium inlet and outlet Hot medium outlet and cold water inlet Hot medium outlet and cold water outlet 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) (dT/dx) k. k. (dx/dT) k. (dT/dx) (dx/dT) k. (dT/dx) k. k. (dx/dT) k. (dT/dx) (dx/dT) k. ANSWER DOWNLOAD EXAMIANS APP
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