Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? Nusselt equation Dittus-Boeltier equation Sieder-Tate equation None of these Nusselt equation Dittus-Boeltier equation Sieder-Tate equation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.2 D 0.3 D 0.5 D 0.4 D 0.2 D 0.3 D 0.5 D 0.4 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases exponentially Remains unchanged Decreases Increases Increases exponentially Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it Increases the overall heat transfer coefficient None of these Decreases the pressure drop Decreases the outlet temperature of cooling medium Increases the overall heat transfer coefficient None of these Decreases the pressure drop Decreases the outlet temperature of cooling medium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f/4 St = 4f St = f1/2 St = f/2 St = f/4 St = 4f St = f1/2 St = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Wien's law Stefan-Boltzman law Kirchhoffs law Planck's law Wien's law Stefan-Boltzman law Kirchhoffs law Planck's law ANSWER DOWNLOAD EXAMIANS APP
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