Heat Transfer What is the absorptivity of a black body? 1 0.95 0.78 1 0.95 0.78 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Re/Pr Pe = Nu.Re Pe = Pr/Re Pe = Re.Pr Pe = Re/Pr Pe = Nu.Re Pe = Pr/Re Pe = Re.Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fourier's law Fick's law None of these Newton's law of cooling Fourier's law Fick's law None of these Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Keeping the heat transfer surface clean None of these Increasing the tube length Enhancing the fluid pumping rate Keeping the heat transfer surface clean None of these Increasing the tube length Enhancing the fluid pumping rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fruit juice (a heat sensitive material) can be concentrated in a __________ evaporator. None of these Long tube Falling film High pressure None of these Long tube Falling film High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP