Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Remains constant And the surface conductance increase Cummulatively increases Cummulatively decreases Remains constant And the surface conductance increase Cummulatively increases Cummulatively decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Decrease in heat exchanger efficiency Uneconomic LMTD Excessive corrosion Its evaporation loss Decrease in heat exchanger efficiency Uneconomic LMTD Excessive corrosion Its evaporation loss ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Non-dimensional factor Factor of safety Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Non-dimensional factor Factor of safety ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Kirchoffs Stefan's Dalton's Wien's Kirchoffs Stefan's Dalton's Wien's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is > 2 1 0.5 1.5 > 2 1 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Unity Zero Same for all wavelengths Different for all wavelengths Unity Zero Same for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
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