Heat Transfer Overall heat transfer co-efficient for cooling of hydrocarbons by water is about 50 -100 W/m² . °K 50 -100 Kcal/hr.m².°C 1000 - 1500 BTU/hr. ft.2°F 50 -100 BTU/hr. ft.2°F 50 -100 W/m² . °K 50 -100 Kcal/hr.m².°C 1000 - 1500 BTU/hr. ft.2°F 50 -100 BTU/hr. ft.2°F ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Prandtl Nusselt Reynolds Biot Prandtl Nusselt Reynolds Biot 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 More Either more or less ; depends on the nature of vapor Less Some More Either more or less ; depends on the nature of vapor Less Some ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to That across the entire pipe Temperature difference Heat flux None of these That across the entire pipe Temperature difference Heat flux None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For specified tube outside diameter, higher BWG means higher cross-sectional area tube thickness weight per unit length none of the listed here cross-sectional area tube thickness weight per unit length none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of CO₂ Dissolved O₂ Neither A nor B Both A & B CO₂ Dissolved O₂ Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP