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) NPr1/3 NPr-1/3 NPr NPr-1 NPr1/3 NPr-1/3 NPr NPr-1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by None of these Keeping the heat transfer surface clean Increasing the tube length Enhancing the fluid pumping rate None of these Keeping the heat transfer surface clean Increasing the tube length Enhancing the fluid pumping rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Hot surface temperature Interfacial tension Liquid density Liquid viscosity Hot surface temperature Interfacial tension Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of conductance in SI unit is W/°K W/m W/m°K W/m² W/°K W/m W/m°K W/m² ANSWER DOWNLOAD EXAMIANS APP
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