Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Forced convection Transient conduction Natural convection Steady state conduction Forced convection Transient conduction Natural convection Steady state conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² = 0 d²T/dZ² > 0 dT/dZ = 0 d²T/dZ² < 0 d²T/dZ² = 0 d²T/dZ² > 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on Increased Decreased None of these No effect on Increased Decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a recuperator regenerator heat exchanger boiler recuperator regenerator heat exchanger boiler ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) Independent of 't' ∝ 1/t ∝ √t ∝ t Independent of 't' ∝ 1/t ∝ √t ∝ t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor Remains unchanged May increase or decrease ; depending on temperature Increases Decreases Remains unchanged May increase or decrease ; depending on temperature Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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