Heat and Mass Transfer In case of liquids and gases, the heat transfer takes place according to Radiation Conduction None of these Convection Radiation Conduction None of these Convection 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 Less thermal conductivity insulator A vapour seal High vapour pressure High thickness of insulation Less thermal conductivity insulator A vapour seal High vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is smallest in None of these Solids Gases Liquids None of these Solids Gases Liquids ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to Fourth power of temperature Fourth power of absolute temperature Square of temperature Absolute temperature Fourth power of temperature Fourth power of absolute temperature Square of temperature Absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of the wave length for maximum emissive power is given by Stefan’s law Wine’s law Kirchhoff’s law Planck’s law Stefan’s law Wine’s law Kirchhoff’s law Planck’s law ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water at 20°C is of the order of 0.51 0.42 0.1 0.23 0.51 0.42 0.1 0.23 ANSWER DOWNLOAD EXAMIANS APP
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