Question: Air flows subsonically in a duct with negligible friction. When heat is added in the amount of 948 kJ/kg, the pressure drops from p1 =

Air flows subsonically in a duct with negligible friction. When heat is added in the amount of 948 kJ/kg, the pressure drops from p1 = 200 kPa to p2 = 106 kPa. Using one-dimensional theory, estimate
(a) Ma1;
(b) T1; and
(c) V1.

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