engineering recuitment HPCL Junior Executive 2025 Mock Test Power Engineering Steam Turbine Nozzle and Diffuser
A convergent-divergent nozzle is said to be choked when:
1
Critical pressure is attained at the exit and Mach number at this section is sonic
2
Velocity at the throat becomes supersonic
3
Exit velocity becomes supersonic
4
Mass flow rate though the nozzle reaches a maximum value