Heat and Mass Transfer Planck’s law holds good for polished bodies black bodies all coloured bodies All of these polished bodies black bodies all coloured bodies All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Wien's law, the wavelength corresponding to maximum energy is proportion to T I² Absolute temperature (T) F T I² Absolute temperature (T) F ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred by molecular collision, it is referred to as heat transfer by Convection Conduction Scattering Radiation Convection Conduction Scattering Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Air Glass Water Plastic Air Glass Water Plastic ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two long parallel surfaces each of emissivity 0.7 are maintained at different temperatures and accordingly have radiation heat exchange between them. It is desired to reduce 75% of the radiant heat transfer by inserting thin parallel shields of emissivity 1 on both sides. The number of shields should be Three Four Two One Three Four Two One ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat transfer by radiation mainly depends upon Kind and extent of its surface Its temperature Nature of the body All of these Kind and extent of its surface Its temperature Nature of the body All of these ANSWER DOWNLOAD EXAMIANS APP
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