Question: 1 5 . Air flows through a nozzle which has inlet area of 1 0 cm 2 If the air has a velocity of 8

15 .

Air flows through a nozzle which has inlet area of

10

2

If the air has a velocity of

80

/

s A temperature of

28

oC and a pressure of

700

kPa at the inlet section and a pressure of

250

kPa at theexit, find the mass flow rate through the nozzle and assuming one dimensional isentropic flow the velocity at the exit section of the nozzle.

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