Heat Transfer Prandtl number is the ratio of Thermal diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to thermal diffusivity Momentum diffusivity to mass diffusivity Thermal diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Unsteady state heat conduction occurs, when Temperature distribution is independent of time Heat flows in one direction only Temperature distribution is dependent on time Three dimensional heat flow is concerned Temperature distribution is independent of time Heat flows in one direction only Temperature distribution is dependent on time Three dimensional heat flow is concerned ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Co-current Counter-current Cross-current Direct contact Co-current Counter-current Cross-current Direct contact ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Re/Pr Pe = Pr/Re Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr Pe = Pr/Re Pe = Re.Pr Pe = Nu.Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 80 0.5 1.5 1 80 0.5 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
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