Heat Transfer The dimensionless group in mass transfer that is equivalent to Prandtl number in heat transfer is Stanton number Nusselt number Sherwood number Schmidt number Stanton number Nusselt number Sherwood number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Iron Nitrogen Tar Coal Iron Nitrogen Tar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Minimum Maximum Zero Infinity Minimum Maximum Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy d²T/dZ² = 0 dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² > 0 d²T/dZ² = 0 dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² > 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? None of these Sieder-Tate equation Dittus-Boeltier equation Nusselt equation None of these Sieder-Tate equation Dittus-Boeltier equation Nusselt equation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is 77.2 63.8 48.7 71.2 77.2 63.8 48.7 71.2 ANSWER DOWNLOAD EXAMIANS APP