R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. The 'four stroke petrol engine' is based on (A) Diesel-cycle (B) Carnot-cycle (C) Boyle's-cycle (D) Otto-cycle 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Otto-cycle You must be Logged in to update hint/solution 💬 Discussion 💬 Comment