Q. Rail tops of a track are placed (Solved)
1. horizontal
2. at an inward slope of 1 in 20
3. at an outward slope of 1 in 20
4. at an outward slope of 1 in 30
- b. at an inward slope of 1 in 20
1. horizontal
2. at an inward slope of 1 in 20
3. at an outward slope of 1 in 20
4. at an outward slope of 1 in 30