Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1.5 80 1 0.5 1.5 80 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 3.5 0.0035 5.6 0.025 3.5 0.0035 5.6 0.025 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its High viscosity Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure Low density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? None of the listed here Plate fine Series and parallel set of shell and tube Double pipe None of the listed here Plate fine Series and parallel set of shell and tube Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the geometric mean of two heat transfer areas A₁ and A₂ ? 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) 2 √(A₁ . A₂) √(A₁ . A₂) 1/2 √(A₁ . A₂) √(A₁ + A₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Form friction Both A and B Turbulent flow Wall or skin friction Form friction Both A and B Turbulent flow Wall or skin friction ANSWER DOWNLOAD EXAMIANS APP
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