Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is R₂/(R₁+R₂) (R₁/R₂)2 1 R₂/(R₁+R₂) (R₁/R₂)2 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Heat transfer area None of these Nusselt number Heating volume Heat transfer area None of these Nusselt number Heating volume 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 >1 between 0 and 1 0 1 >1 between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Transmissivity = 1 Reflectivity = 0 All of these Absorptivity = 0 Transmissivity = 1 Reflectivity = 0 All of these Absorptivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the Flow of fluid on the tube and shell sides All of these Oscillations in the flow of shell/tube sides fluid Vibrations transmitted through piping and/or supports due to external reasons Flow of fluid on the tube and shell sides All of these Oscillations in the flow of shell/tube sides fluid Vibrations transmitted through piping and/or supports due to external reasons ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. All of these Supersaturated Undersaturated Saturated All of these Supersaturated Undersaturated Saturated ANSWER DOWNLOAD EXAMIANS APP
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