Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint Black paint Yellow paint White paint Grey paint Black paint Yellow paint White paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer To reduce the tube side pressure drop for the same flow rate, the heat exchanger recomended is 1-1 heat exchanger 3-2 heat exchanger 1-2 heat exchanger 2-4 heat exchanger 1-1 heat exchanger 3-2 heat exchanger 1-2 heat exchanger 2-4 heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Different Never different Same Linearly related Different Never different Same Linearly related ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to Create more suction head Avoid frequent priming Avoid cavitation None of these Create more suction head Avoid frequent priming Avoid cavitation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.06 to 120 0.6 to 120 l to 50 1 to 103 0.06 to 120 0.6 to 120 l to 50 1 to 103 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr-1/3 NPr NPr-1 NPr1/3 NPr-1/3 NPr NPr-1 NPr1/3 ANSWER DOWNLOAD EXAMIANS APP