Heat Transfer Which of the following is concerned with both heat and mass transfer ? Lewis relationship Kutateladze number Nusselt number Froude number Lewis relationship Kutateladze number Nusselt number Froude number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient goes through a maximum. continues to decrease continues to increase goes through a minimum goes through a maximum. continues to decrease continues to increase goes through a minimum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) K/Ax X/KA A/Kx KA/x K/Ax X/KA A/Kx KA/x ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to f f/2 2f f/4 f f/2 2f f/4 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
Heat Transfer Thermal diffusivity of a material All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp Has the unit m² /sec All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp Has the unit m² /sec ANSWER DOWNLOAD EXAMIANS APP