Heat and Mass Transfer The emissive power of a body depends upon its Temperature All of these Wave length Physical nature Temperature All of these Wave length Physical nature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Moisture would find its way into insulation by vapour pressure unless it is prevented by High thickness of insulation A vapour seal Less thermal conductivity insulator High vapour pressure High thickness of insulation A vapour seal Less thermal conductivity insulator High vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Lower Depends upon the shape of body Higher Same Lower Depends upon the shape of body Higher Same ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat transfer from a hot body to a cold body is directly proportional to the surface area and difference of temperatures between the two bodies. This statement is called First law of thermodynamics Newton's law of heating Newton's law of cooling Stefan's law First law of thermodynamics Newton's law of heating Newton's law of cooling Stefan's law 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 Which of the following has maximum value of thermal conductivity? Aluminium Copper Brass Steel Aluminium Copper Brass Steel ANSWER DOWNLOAD EXAMIANS APP