Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be 0.55 0.85 0.35 0.45 0.55 0.85 0.35 0.45 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to None of these 1 kcal/hr. m²°C 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K None of these 1 kcal/hr. m²°C 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer equal to None of the listed here greater than smaller than equal to None of the listed here greater than smaller than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Direct contact Cross-current Counter-current Co-current Direct contact Cross-current Counter-current Co-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Both B & C Reynolds Nusselt Grashoff Both B & C Reynolds Nusselt Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in tubulent flow none of the listed here for fluids in laminar flow when Grashhoff number is very important for fluids in tubulent flow none of the listed here for fluids in laminar flow when Grashhoff number is very important ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS