In a reverse Bryton refrigeration cycle, air is used as the working fluid at a low pressure of 1 atm. The pressure ratio is 8. The compressor and turbine inlet temperatures are 373 K and 340 K, respectively. What is the correct height setting for a sine bar to give 41.25°?
a) 15° 30'
b) 62°
c) 25° 15'
d) 8.5°