Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Prandtl Reynolds Both Reynolds & Prandtl None of the listed here Prandtl Reynolds Both Reynolds & Prandtl None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Peclet number (Pe) is given by Pe = Re.Pr Pe = Nu.Re Pe = Pr/Re Pe = Re/Pr Pe = Re.Pr Pe = Nu.Re Pe = Pr/Re Pe = Re/Pr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Increases or decreases depending on number of shell passes Increases Remains unchanged Decreases Increases or decreases depending on number of shell passes Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the Vibrations transmitted through piping and/or supports due to external reasons All of these Oscillations in the flow of shell/tube sides fluid Flow of fluid on the tube and shell sides Vibrations transmitted through piping and/or supports due to external reasons All of these Oscillations in the flow of shell/tube sides fluid Flow of fluid on the tube and shell sides ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is 0 >1 between 0 and 1 1 0 >1 between 0 and 1 1 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 d²T/dZ² < 0 dT/dZ = 0 d²T/dZ² > 0 d²T/dZ² = 0 d²T/dZ² < 0 dT/dZ = 0 d²T/dZ² > 0 d²T/dZ² = 0 ANSWER DOWNLOAD EXAMIANS APP
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