Heat and Mass Transfer The radiation emitted by a black body is known as Black radiation Full radiation Total radiation All of these Black radiation Full radiation Total radiation All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has least value of conductivity? Water Glass Plastic Air Water Glass Plastic Air ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be white when(Where a = absorptivity, p = reflectivity, x = transmissivity) P = 0, x = 1 and a = 0 P=1, T = 0 and a = 0 P = 0, x = 0 and a = 1 X = 0, a + p = 1 P = 0, x = 1 and a = 0 P=1, T = 0 and a = 0 P = 0, x = 0 and a = 1 X = 0, a + p = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following property of air does not increase with rise in temperature? Density Thermal conductivity Dynamic viscosity Thermal diffusivity Density Thermal conductivity Dynamic viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by Hr (time) °C (temperature) K.cal (heat) Sq. m (area) Hr (time) °C (temperature) K.cal (heat) Sq. m (area) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Joule sec is the unit of Universal gas constant Planck's constant Thermal conductivity Kinematic viscosity Universal gas constant Planck's constant Thermal conductivity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
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