1. Unit of thermal conductivity in S.I. units is
2. Thermal conductivity of solid metals with rise in temperature normally
3. In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by
4. Heat transfer takes place as per
5. Depending on the radiating properties, a black body will be black when
6. According to planck's law, the wavelength corresponding to the maximum energy is proportional to
7. When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred to as heat transfer by
