Q. Steel sleepers consist of steel troughs made out of about 6 mm thick steel sheets, with (Solved)
1. its both ends bent down
2. its both ends bent up
3. its one end bent up and another bent down
4. any one of these
- a. its both ends bent down
1. its both ends bent down
2. its both ends bent up
3. its one end bent up and another bent down
4. any one of these