Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Salty Corrosive Highly viscous Scaling Salty Corrosive Highly viscous Scaling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.78 0.95 1 0.78 0.95 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the ratio of Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Form friction Turbulent flow Wall or skin friction Both A and B Form friction Turbulent flow Wall or skin friction Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Steam pressure Feed temperature Both B & C Number of effect Steam pressure Feed temperature Both B & C Number of effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Some Either more or less ; depends on the nature of vapor More Less Some Either more or less ; depends on the nature of vapor More Less ANSWER DOWNLOAD EXAMIANS APP