V Vinay Kumar 🎓 Tutor III ⭐ 8.55K Points 📊 Machine Design Q. Basic hole is one (A) whose upper deviation is zero (B) whose lower deviation is zero (C) whose lower as well as upper deviations are zero (D) does not exist 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) whose lower deviation is zero