Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Solids Gases Both solids & liquids Liquids Solids Gases Both solids & liquids Liquids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is directly concerned with the heat transfer? Sherwood number Euler number Strouhal number Grashoff number Sherwood number Euler number Strouhal number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) αT α 1/T Independent of T α T⁴ αT α 1/T Independent of T α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the All of these Vibrations transmitted through piping and/or supports due to external reasons Flow of fluid on the tube and shell sides Oscillations in the flow of shell/tube sides fluid All of these Vibrations transmitted through piping and/or supports due to external reasons Flow of fluid on the tube and shell sides Oscillations in the flow of shell/tube sides fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Iron Nitrogen Tar Coal Iron Nitrogen Tar ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Both A & B Grashoff Reynolds Prandtl & Grashoff Both A & B Grashoff Reynolds Prandtl & Grashoff ANSWER DOWNLOAD EXAMIANS APP
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