Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Steam condenser Boiler Electric heater Refrigerator condenser coils Steam condenser Boiler Electric heater Refrigerator condenser coils ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of surface convection resistance to the internal conduction resistance is known as Prandtl number Stanton number Biot number Grashoff number Prandtl number Stanton number Biot number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total emissivity of polished silver compared to black body is Very much lower Same More or less same Higher Very much lower Same More or less same Higher ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Joule sec is the unit of Kinematic viscosity Thermal conductivity Universal gas constant Planck's constant Kinematic viscosity Thermal conductivity Universal gas constant Planck's constant ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Pick up the wrong case. Heat flowing from one side to other depends directly on Face area Thickness Temperature difference Time Face area Thickness Temperature difference Time 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. (dx/dT) k. k. (dx/dT) k. (dT/dx) (dT/dx) k. (dx/dT) k. k. (dx/dT) k. (dT/dx) ANSWER DOWNLOAD EXAMIANS APP
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