Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Molten sodium Dowtherm Air Water Molten sodium Dowtherm Air Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = 4f St = f/4 St = f1/2 St = f/2 St = 4f St = f/4 St = f1/2 St = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number None of these Peclet Stanton Graetz None of these Peclet Stanton Graetz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 150 0.72 0.001 70 150 0.72 0.001 70 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr-1 NPr1/3 NPr NPr-1/3 NPr-1 NPr1/3 NPr NPr-1/3 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows outside the tubes Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows through the tube Flows outside the tubes Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows through the tube ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS