Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space Dense structure None of these High specific heat High proportion of air space Dense structure None of these High specific heat ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? 1 > 1 < 1 None of these 1 > 1 < 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower steam economy Lower heat transfer area Higher steam economy Higher solute concentration in the product Lower steam economy Lower heat transfer area Higher steam economy Higher solute concentration in the product ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Nusselt Biot Reynolds Prandtl Nusselt Biot Reynolds Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 0.5 to 50 10 to 100 100 to 1000 1 to 100 0.5 to 50 10 to 100 100 to 1000 1 to 100 ANSWER DOWNLOAD EXAMIANS APP
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