Gaseous Nitrogen at 30°C is expanded through a converging nozzle from a total pressure of 0.5 MPa to a back pressure chamber. If the back pressure is increased from 0.1 MPa to 0.4 MPa in steps of 0.02 MPa, the trend in mass flow rate through the nozzle

Will remain constant till a point and then gradually increase

Will remain constant till a point and then gradually decrease

Gaseous Nitrogen at 30°C is expanded through a converging nozzle from

1.	Gaseous Nitrogen at 30°C is expanded through a converging nozzle from a total pressure of 0.5 MPa to a back pressure chamber. If the back pressure is increased from 0.1 MPa to 0.4 MPa in steps of 0.02 MPa, the trend in mass flow rate through the nozzle
A.	Will gradually decrease
B.	Will gradually increase
C.	Will remain constant till a point and then gradually decrease
D.	Will remain constant till a point and then gradually increase
Answer» D. Will remain constant till a point and then gradually increase

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Gaseous Nitrogen at 30°C is expanded through a converging nozzle from a total pressure of 0.5 MPa to a back pressure chamber. If the back pressure is increased from 0.1 MPa to 0.4 MPa in steps of 0.02 MPa, the trend in mass flow rate through the nozzle

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