Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 37 6.1 1.74 1 37 6.1 1.74 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr. m² °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. °C Kcal/hr. m² °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 100°C 0°K none of the listed here 0°C 100°C 0°K none of the listed here 0°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space Lower maintenance cost Less heating surface None of these More space Lower maintenance cost Less heating surface None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Reynolds Grashoff Nusselt Both B & C Reynolds Grashoff Nusselt Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = 4f St = f1/2 St = f/4 St = f/2 St = 4f St = f1/2 St = f/4 St = f/2 ANSWER DOWNLOAD EXAMIANS APP
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