Heat Transfer Pick out the correct equation. JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Existence of thermal boundary layer None of these Temperature gradient produced due to density difference Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer None of these Temperature gradient produced due to density difference Buoyancy of the bubbles produced at active nucleation site ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? Sieder-Tate equation None of these Dittus-Boeltier equation Nusselt equation Sieder-Tate equation None of these Dittus-Boeltier equation Nusselt equation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor Increases Remains unchanged Decreases May increase or decrease ; depending on temperature Increases Remains unchanged Decreases May increase or decrease ; depending on temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Increases Does not affect Decreases May increase or decrease, depends on the type of baffle Increases Does not affect Decreases May increase or decrease, depends on the type of baffle ANSWER DOWNLOAD EXAMIANS APP
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