A simple Brayton cycle using air as the working fluid has a pressure ratio of 8. The

Question:

A simple Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum and maximum temperatures in the cycle are 310 and 1160 K. Assuming an isentropic efficiency of 75 percent for the compressor and 82 percent for the turbine determine
(a) The air temperature at the turbine exit,
(b) The net work output, and
(c) The thermal efficiency.