Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha = 2hL Ha = 0.8hL Ha= 5hL Ha = hL Ha = 2hL Ha = 0.8hL Ha= 5hL Ha = hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. Boiling point (at the same pressure) Viscosity Density Thermal conductivity Boiling point (at the same pressure) Viscosity Density Thermal conductivity 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. Stantan Grashoff Condensation Brinkman Stantan Grashoff Condensation Brinkman ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to None of these Purge the condenser Facilitate easy cleaning of tubes Remove non-condensable gases None of these Purge the condenser Facilitate easy cleaning of tubes Remove non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the High heat transfer co-efficient Low pressure drop Less corrosion problems Flexibility possible in the baffle arrangement High heat transfer co-efficient Low pressure drop Less corrosion problems Flexibility possible in the baffle arrangement ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation absorber Both emitter & absorber emitter none of the listed here absorber Both emitter & absorber emitter none of the listed here ANSWER DOWNLOAD EXAMIANS APP