Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer smaller than greater than equal to None of the listed here smaller than greater than equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 0.55 0.15 55.5 555 0.55 0.15 55.5 555 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is Nusselt number Schmidt number Stanton number Sherwood number Nusselt number Schmidt number Stanton number Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Reynolds Colburn Prandtl None of these Reynolds Colburn Prandtl None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is Less More More or less; depends on the nature of solution Same Less More More or less; depends on the nature of solution Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Small scale evaporation is done in a Steam jacketed kettle Condenser Heat exchanger Multiple effect evaporator Steam jacketed kettle Condenser Heat exchanger Multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS