If isentropic efficiency for expansion in a nozzle having a mass flow – McqOptions

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1.	If isentropic efficiency for expansion in a nozzle having a mass flow rate of 90 kg/s is 0.95, find the exit area. Given the low speed entrance pressure is 250 kPa, temperature is 375 °C and outside atmospheric pressure is 101 kPa. Assume Cp = 1005 J/(kgK) and γ = 1.33.
A.	0.133 m2
B.	0.210 m2
C.	0.295 m2
D.	0.225 m2
Answer» E.

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