Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to volume Surface area to perimeter Perimeter to surface area Volume to surface area Surface area to volume Surface area to perimeter Perimeter to surface area Volume to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation none of the listed here Both emitter & absorber emitter absorber none of the listed here Both emitter & absorber emitter absorber ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = 2Gz0.5 Nu = Gz Nu = Gz 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 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 All of these Vibrations transmitted through piping and/or supports due to external reasons ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the mass transfer between a gas and a liquid absorption with chemical reaction heat transfer in turbulent flow heat transfer in laminar flow mass transfer between a gas and a liquid absorption with chemical reaction heat transfer in turbulent flow heat transfer in laminar flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. None of these Absorbs Reflects Transmits None of these Absorbs Reflects Transmits ANSWER DOWNLOAD EXAMIANS APP
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