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
Flow of fluid on the tube and shell sides
All of these
Oscillations in the flow of shell/tube sides fluid

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
Leidenfrost point is a term concerned with the

Condensation of the saturated vapor on a cold surface
Boiling of a liquid on a hot surface
Heat transfer between two highly viscous liquids
Concentration of a corrosive solution by evaporation

ANSWER DOWNLOAD EXAMIANS APP