M Mr. Dubey 🎓 Coach ⭐ 103.11K Points 📊 Heat Engines Q. Prony brake is used for testing of (A) Slow speed engines (B) Large engines (C) Small engines (D) High speed engines 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) Small engines