Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Heat capacity Density Viscosity Thermal conductivity Heat capacity Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Corrosive Highly viscous Salty Scaling Corrosive Highly viscous Salty Scaling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Brinkman Grashoff Stantan Condensation Brinkman Grashoff Stantan Condensation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place Between two bodies in physical contact with each other Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Both B & C Between two bodies in physical contact with each other Between two bodies not in physical contact with each other From one part of a body to the another part of the same body Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by convection conduction radiation none of the listed here convection conduction radiation none of the listed here 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 Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired Condensate is corrosive in nature Higher condensing film co-efficient is desired ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS