Heat Transfer With increase in temperature, the total emissivity of conductors Increases Remains same Decreases Decreases linearly Increases Remains same Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Facilitate easy cleaning of tubes Purge the condenser Remove non-condensable gases None of these Facilitate easy cleaning of tubes Purge the condenser Remove non-condensable gases None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Higher economy Lower economy Lower capacity Both A & B Higher economy Lower economy Lower capacity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following situations can be approximated to a steady state heat transfer system? A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C 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 The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 2 43832 43834 4 2 43832 43834 4 ANSWER DOWNLOAD EXAMIANS APP
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