Heat Transfer Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is 0.72 83 4.364 18 0.72 83 4.364 18 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (Cp . μ)/K is termed as the __________ number. Grashoff Nusselt Stanton Prandtl Grashoff Nusselt Stanton Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be None, A is just a number W/m.k² W/m W/m.k None, A is just a number W/m.k² W/m W/m.k ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. transition None of the listed here laminar highly turbulent transition None of the listed here laminar highly turbulent ANSWER DOWNLOAD EXAMIANS APP
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 1 1.74 6.1 37 1 1.74 6.1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Use of transverse baffles in a shell and tube heat exchanger is done to increase the Flow velocity Rate of heat transfer Turbulence of shell side fluid All of these Flow velocity Rate of heat transfer Turbulence of shell side fluid All of these ANSWER DOWNLOAD EXAMIANS APP
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