The maximum pressure ratio is given by

• A. (Tmin/Tmax)^((ɣ-1)/ɣ)
• B. (Tmin/Tmax)^(ɣ/(ɣ-1))
• C. (Tmax/Tmin)^((ɣ-1)/ɣ)
• D. (Tmax/Tmin)^(ɣ/(ɣ-1))