Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the None of these Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference Existence of thermal boundary layer None of these Buoyancy of the bubbles produced at active nucleation site Temperature gradient produced due to density difference Existence of thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the All of these Flow of fluid on the tube and shell sides Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid All of these Flow of fluid on the tube and shell sides Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Same in all effects Dependent on the number of effects Lowest in last effect Highest in last effect Same in all effects Dependent on the number of effects Lowest in last effect Highest in last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt5/4 Δt Δt2 Δt1/2 Δt5/4 Δt Δt2 Δt1/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Colburn Reynolds None of these Prandtl Colburn Reynolds None of these Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the Depth of liquid over heating surface Feed Pressure difference between steam chest and vapour space All of these Depth of liquid over heating surface Feed Pressure difference between steam chest and vapour space All of these ANSWER DOWNLOAD EXAMIANS APP