Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows through the tube Can flow either inside or outside the tubes Should not be used as it gives very high pressure drop Flows outside the tubes Flows through the tube Can flow either inside or outside the tubes Should not be used as it gives very high pressure drop Flows outside the tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Tar Nitrogen Iron Coal Tar Nitrogen Iron ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Single pass, fixed tube sheet Three pass, fixed tube sheet None of these U-tube Single pass, fixed tube sheet Three pass, fixed tube sheet None of these U-tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)(Pr)2/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)1/3 = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In natural convection heat transfer, the correlating parameter is the Grashoff number Eckert number Graetz number Bond number Grashoff number Eckert number Graetz number Bond number ANSWER DOWNLOAD EXAMIANS APP
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