The critical pressure ratio of a convergent nozzle is defined as________?
Athe ratio of inlet pressure to outlet pressure of nozzle
Bthe ratio of outlet pressure to inlet pressure only when mass flow rate per unit area is minimum
Cthe ratio of outlet pressure to inlet pressure of nozzle
Dthe ratio of outlet pressure to inlet pressure only when mass flow rate = c
Correct answer
D. the ratio of outlet pressure to inlet pressure only when mass flow rate = c
Explanation
The correct answer is the ratio of outlet pressure to inlet pressure only when mass flow rate = c.