Identify the correct statements regarding compressible flow of a fluid in nozzles and diffuser.
1
For a supersonic isentropic flow, Nozzle should be divergent
2
For a subsonic isentropic flow, Nozzle should be divergent
3
For a supersonic isentropic flow, diffuser should be divergent
4
For a subsonic isentropic flow, diffuser should be divergent