Heat Transfer The unit of heat transfer co-efficient in SI unit is J/m°K W/m2°K J/M2°K W/m°K J/m°K W/m2°K J/M2°K W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Pr and Gr Re and Gr Re and Sc Re and Pr Pr and Gr Re and Gr Re and Sc Re and Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall heat transfer co-efficient for cooling of hydrocarbons by water is about 50 -100 Kcal/hr.m².°C 50 -100 W/m² . °K 1000 - 1500 BTU/hr. ft.2°F 50 -100 BTU/hr. ft.2°F 50 -100 Kcal/hr.m².°C 50 -100 W/m² . °K 1000 - 1500 BTU/hr. ft.2°F 50 -100 BTU/hr. ft.2°F ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) ΔT None of the listed here (ΔT)2 (ΔT)1/4 ΔT None of the listed here (ΔT)2 (ΔT)1/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision ANSWER DOWNLOAD EXAMIANS APP