A. Filmwise condensation gives a lower heat transfer rate than the dropwise condensation
B. Suitable coating or vapour additive is used to promote film wise condensation
C. If a condensing liquid does not wet the surface dropwise, even then condensation will take
place on it
D. Reynolds number of condensing liquid is based on its mass flow rate
Correct Answer: Suitable coating or vapour additive is used to promote film wise condensation ✔
Last Updated: February 10, 2019