Heat Transfer In natural convection heat transfer, the correlating parameter is the Eckert number Bond number Graetz number Grashoff number Eckert number Bond number Graetz number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? White paint Yellow paint Black paint Grey paint White paint Yellow paint Black paint Grey paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase pressure Remove condensate None of these Increase temperature Increase pressure Remove condensate None of these Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) ΔT (ΔT)1/4 None of the listed here (ΔT)2 ΔT (ΔT)1/4 None of the listed here (ΔT)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Stefan-Boltzman law Kirchhoffs law Wien's law Planck's law Stefan-Boltzman law Kirchhoffs law Wien's law Planck's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8, where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as (D)-1.8 (D)1.8 (D)-0.2 (D)0.2 (D)-1.8 (D)1.8 (D)-0.2 (D)0.2 ANSWER DOWNLOAD EXAMIANS APP
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