Heat and Mass Transfer Emissivity of a white polished body in comparison to a black body is Lower Same Higher Depends upon the shape of body Lower Same Higher Depends upon the shape of body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water in general with rise in temperature May increase or decrease depending on temperature Remain constant Decreases Increases May increase or decrease depending on temperature Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The value of Prandtl number for air is about 0.3 0.1 1.7 0.7 0.3 0.1 1.7 0.7 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 conductivity Thermal resistance Temperature gradient Thermal coefficient Thermal conductivity Thermal resistance Temperature gradient Thermal coefficient ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Joule sec is the unit of Thermal conductivity Planck's constant Universal gas constant Kinematic viscosity Thermal conductivity Planck's constant Universal gas constant Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Pick up the wrong case. Heat flowing from one side to other depends directly on Thickness Temperature difference Time Face area Thickness Temperature difference Time Face area ANSWER DOWNLOAD EXAMIANS APP