1. To aid the flange of the opposite wheel passing through the crossing to steer clear of the nose
2. To avoid derailment per se
3. To help control the running speed
4. To minimize the laying cost of long distances of trades
To aid the flange of the opposite wheel passing through the crossing to steer clear of the nose
1. 21 t
2. 22 t
3. 23 t
4. 24 t
23 t
1. Ability of roadway to accommodate traffic volume in terms of vehicles/hr
2. Number of vehicles occupying a unit length of roadway at a given instant expressed as vehicles/km
3. Capacity of lane to accommodate the vehicles widthwise (across the road)
4. Maximum attainable speed of vehicles
Ability of roadway to accommodate traffic volume in terms of vehicles/hr
1. 1100 m
2. 1500 m
3. 1800 m
4. 2200 m
1800 m
1. 1, 2, 3 and 4
2. 1, 2 and 3 only
3. 2, 3 and 4 only
4. 1, 2 and 4 only
1, 2 and 4 only
1. Pulling gradient
2. Momentum gradient
3. Helper gradient
4. Minimum gradient
Helper gradient
1. 2.5 m
2. 1.5 m
3. 1.25 m
4. 0.5 m
1.5 m
1. 0.98
2. 1.95
3. 2.93
4. 3.93
3.93
1. 0.04
2. 0.063
3. 0.07
4. 0.70
0.07
1. 15 kg/cm3
2. 25 kg/cm3
3. 30 kg/cm3
4. 60 kg/cm3
15 kg/cm3