Heat and Mass Transfer Heat transfer by radiation mainly depends upon Its temperature Kind and extent of its surface Nature of the body All of these Its temperature Kind and extent of its surface Nature of the body All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by Radiation Convection Forced convection Free convection Radiation Convection Forced convection Free convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be opaque when P = 0, x = 0 and a = 1 X = 0, a + p = 1 P = 0, x = 1 and a = 0 P=1, x = 0 and a = 0 P = 0, x = 0 and a = 1 X = 0, a + p = 1 P = 0, x = 1 and a = 0 P=1, x = 0 and a = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Boiler Refrigerator condenser coils Steam condenser Electric heater Boiler Refrigerator condenser coils Steam condenser Electric heater 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 Conduction Convection Radiation None of these Conduction Convection Radiation None of these 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. (dx/dT) k. A. (dx/dT) k. A. (dT/dx) k. (dT/dx) k. (dx/dT) k. A. (dx/dT) k. A. (dT/dx) k. (dT/dx) ANSWER DOWNLOAD EXAMIANS APP
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