Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Resistance Voltage Current None of these Resistance Voltage Current None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness thermal boundary layer lies inside the concentration boundary layer none of the listed here concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Higher condensing film co-efficient is desired Condensate is corrosive in nature Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired Higher condensing film co-efficient is desired Condensate is corrosive in nature Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Prandtl number for water ranges from 100 to 500 1000 to 2000 L to 2 5 to 10 100 to 500 1000 to 2000 L to 2 5 to 10 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 d²T/dZ² > 0 d²T/dZ² < 0 dT/dZ = 0 d²T/dZ² = 0 d²T/dZ² > 0 d²T/dZ² < 0 dT/dZ = 0 ANSWER DOWNLOAD EXAMIANS APP