Heat and Mass Transfer The ratio of the energy absorbed by the body to total energy falling on it is called Absorptive power Emissivity Absorptivity Emissive power Absorptive power Emissivity Absorptivity Emissive power ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for polished bodies all coloured bodies All of these black bodies polished bodies all coloured bodies All of these black bodies 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 81 9 3 270 81 9 3 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In free convection heat transfer, Nusselt number is function of Grashoff number, Prandtl number and Reynold number Prandtl number and Reynold number Grashoff number and Prandtl number Grashoff number and Reynold number Grashoff number, Prandtl number and Reynold number Prandtl number and Reynold number Grashoff number and Prandtl number Grashoff number and Reynold number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on Type of surface of body Temperature of body All of these Nature of body Type of surface of body Temperature of body All of these Nature of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of the wave length for maximum emissive power is given by Planck’s law Stefan’s law Wine’s law Kirchhoff’s law Planck’s law Stefan’s law Wine’s law Kirchhoff’s law ANSWER DOWNLOAD EXAMIANS APP
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