Heat Transfer Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is 0.4 0.2 0.6 0.8 0.4 0.2 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At low velocity None of these At high fluid velocity When fluid flows past a smooth surface At low velocity None of these At high fluid velocity When fluid flows past a smooth surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to inertial forces buoyancy to surface tension forces inertial to viscous forces. buoyancy to viscous forces buoyancy to inertial forces buoyancy to surface tension forces inertial to viscous forces. buoyancy to viscous forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Forced convection and conduction Conduction only Forced convection only Free and forced convection Forced convection and conduction Conduction only Forced convection only Free and forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Prandtl number for water ranges from L to 2 100 to 500 5 to 10 1000 to 2000 L to 2 100 to 500 5 to 10 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Gr Re and Pr Pr and Gr Re and Sc Re and Gr Re and Pr Pr and Gr Re and Sc ANSWER DOWNLOAD EXAMIANS APP
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