R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. In diesel engines, ignition takes place by (A) Electrical spark (B) Compression (C) Dynamo (D) Battery 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Compression You must be Logged in to update hint/solution 💬 Discussion 💬 Comment