Heat Transfer Water always boils when its Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution In independent of pressure Decreases rapidly with temperature rise Increases rapidly with temperature rise Both B and C In independent of pressure Decreases rapidly with temperature rise Increases rapidly with temperature rise Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer smaller than equal to greater than None of the listed here smaller than equal to greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? Sieder-Tate equation Dittus-Boeltier equation None of these Nusselt equation Sieder-Tate equation Dittus-Boeltier equation None of these Nusselt equation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. Vacuum Backward feed High pressure None of these Vacuum Backward feed High pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid All of these Flow of fluid on the tube and shell sides Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid All of these Flow of fluid on the tube and shell sides ANSWER DOWNLOAD EXAMIANS APP
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