Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 0.5 1 5 0.5 1 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Remove non-condensable gases None of these Facilitate easy cleaning of tubes Purge the condenser Remove non-condensable gases None of these Facilitate easy cleaning of tubes Purge the condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.5-50 0.38-0.78 5-50 100-1000 0.5-50 0.38-0.78 5-50 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. lower the largest the least no lower the largest the least no ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashhoff number is given by gD2βΔtρ/μ² gD2βΔtP²μ gD³βΔtP²/μ gD³.β.Δtρ²/μ² gD2βΔtρ/μ² gD2βΔtP²μ gD³βΔtP²/μ gD³.β.Δtρ²/μ² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large. 10 minutes 5 minutes 40 minutes 20 minutes 10 minutes 5 minutes 40 minutes 20 minutes ANSWER DOWNLOAD EXAMIANS APP
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