Questions › Category: Compressors Gas Turbines and Jet Engines › The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 0 Vote Up Vote Down VideRime Staff asked 3 years ago The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) (A) r ɣ-1 (B) 1 – r ɣ-1 (C) 1 – (1/r) ɣ-1/ɣ (Ans) (D) 1 – (1/r) ɣ/ɣ-1 Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram More Related