Q. The efficiency of mechanical brakes is usually (Solved)
1. 85 - 95 percent
2. 60 - 70 percent
3. 30 - 40 percent
4. 99 percent
5. 95 - 98 percent
- b. 60 - 70 percent
1. 85 - 95 percent
2. 60 - 70 percent
3. 30 - 40 percent
4. 99 percent
5. 95 - 98 percent