A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F,
14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400
Btu/lbm. If the thermal efficiency is 0.547
Determine: Using variable specific heat method
1) The highest temperature in the cycle
2) The mass flow rate of the air