Q. The coefficient of friction will be least in case of (Solved)
1. Leather on metal
2. Asbestos on metal in oil
3. Metal on metal
4. Wood on metal
5. Sintered metal on cast iron in oil
- e. Sintered metal on cast iron in oil
1. Leather on metal
2. Asbestos on metal in oil
3. Metal on metal
4. Wood on metal
5. Sintered metal on cast iron in oil