Heat and Mass Transfer According to Wien's law, the wavelength corresponding to maximum energy is proportion to I² Absolute temperature (T) F T I² Absolute temperature (T) F T ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Glass Plastic Water Air Glass Plastic Water Air ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer All radiations in a black body are Transmitted Refracted Absorbed Reflected Transmitted Refracted Absorbed Reflected ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water in general with rise in temperature Increases Remain constant Decreases May increase or decrease depending on temperature Increases Remain constant Decreases May increase or decrease depending on temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for black bodies all coloured bodies polished bodies All of these black bodies all coloured bodies polished bodies All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of the energy absorbed by the body to total energy falling on it is called Emissivity Emissive power Absorptive power Absorptivity Emissivity Emissive power Absorptive power Absorptivity ANSWER DOWNLOAD EXAMIANS APP