Heat Transfer Which of the following has the minimum thermal conductivity? Carbon black Steel Tar Nitrogen Carbon black Steel Tar Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the none of the listed here thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted None of these On rough surfaces In the absence of agitation On polished surfaces None of these On rough surfaces In the absence of agitation On polished surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Viscous None of these Inertial Elastic Viscous None of these Inertial Elastic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Both A and B Isothermal Non-isothermal Neither A and B Both A and B Isothermal Non-isothermal Neither A and B 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
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