Heat Transfer Boiling point elevation of a solution of NaOH Both B and C Is almost independent of temperature Is almost independent of pressure Increases rapidly with temperature rise Both B and C Is almost independent of temperature Is almost independent of pressure Increases rapidly with temperature rise 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. None of these Vacuum High pressure Backward feed None of these Vacuum High pressure Backward feed 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 Dropwise condensation of steam on cooling surface is promoted An oily surface When both the steam and the tube are clean None of these Only in presence of air An oily surface When both the steam and the tube are clean None of these Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Mechanical strength of the equipment Temperature gradient Heat transfer area Heat transfer co-efficient Mechanical strength of the equipment Temperature gradient Heat transfer area Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Forced convection Conduction Natural convection Radiation Forced convection Conduction Natural convection Radiation ANSWER DOWNLOAD EXAMIANS APP