SSC JE Mechanical Engineering 27 Sep 2019 Shift 2 Paper

Question : 194 of 200

Marks: +1, -0

The critical pressure ratio of a convergent nozzle is defined as the ratio of the:

outlet pressure to the inlet pressure of the nozzle only when mass flow rate per unit area is minimum
inlet pressure to the outlet pressure of the nozzle
outlet pressure to the inlet pressure of the nozzle
outlet pressure to the inlet pressure of the nozzle only when mass flow rate per unit area is maximum

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