1. 2.5 times the diameter of rivet hole
2. 3.0 times the diameter of rivet hole
3. 2.0 times the diameter of rivet hole
4. 3.5 times the diameter of rivet hole
2.5 times the diameter of rivet hole
1. 50
2. 40
3. 20
4. 10
20
1. No tension is permitted
2. No cracking is permitted
3. Working loads are completely resisted by pre-stressing force
4. None of these
Working loads are completely resisted by pre-stressing force
1. Tension in rivets
2. Compression in rivets
3. Shear in rivets
4. Bearing strength in rivets
Bearing strength in rivets
1. Rain gauge
2. Osmoscope
3. Turbidimeter
4. All of these
Rain gauge
1. Side slope channel
2. Contour channel
3. Ridge channel
4. All of these
Ridge channel
1. Points
2. Diamond crossing
3. Curves
4. Tracks for train
Curves
1. Rails
2. Sleepers
3. Ballast
4. Formation
Ballast
1. Granite
2. Sand stone
3. Limestone
4. Quartzite
Granite
1. 0.60
2. 0.55
3. 0.50
4. 0.40
0.40