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 Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called Thermal resistance Thermal coefficient Temperature gradient Thermal conductivity Thermal resistance Thermal coefficient Temperature gradient Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Lower Higher Depends upon the shape of body Same Lower Higher Depends upon the shape of body Same ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for All of these polished bodies all coloured bodies black bodies All of these polished bodies all coloured bodies black bodies ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by Free convection Radiation Forced convection Convection Free convection Radiation Forced convection Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by °C (temperature) K.cal (heat) Hr (time) Sq. m (area) °C (temperature) K.cal (heat) Hr (time) Sq. m (area) ANSWER DOWNLOAD EXAMIANS APP
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