Heat Transfer Kirchoff s law applies to __________ radiation total Both total & monochromatic monochromatic None of the listed here total Both total & monochromatic monochromatic None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Remain unchanged Increase Decrease Either increase or decrease; depends on the coolant flow rate Remain unchanged Increase Decrease Either increase or decrease; depends on the coolant flow rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8kcal/m² . °K4 5.6697 x 10-8W/m².°K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very low film co-efficient high pressure high temperature none of the listed here low film co-efficient high pressure high temperature none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Density Heat capacity Viscosity Thermal conductivity Density Heat capacity Viscosity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP