Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint Yellow paint Black paint White paint Grey paint Yellow paint Black paint White paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to That across the entire pipe Heat flux None of these Temperature difference That across the entire pipe Heat flux None of these Temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is In the central core of the fluid None of these Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface In the central core of the fluid None of these Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Grashhoff number Prandtl number Peclet number Reynolds number Grashhoff number Prandtl number Peclet number Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? mercury dowtherm liquid metal None of the listed here mercury dowtherm liquid metal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the mass transfer between a gas and a liquid heat transfer in turbulent flow absorption with chemical reaction heat transfer in laminar flow mass transfer between a gas and a liquid heat transfer in turbulent flow absorption with chemical reaction heat transfer in laminar flow ANSWER DOWNLOAD EXAMIANS APP