Which among the following is incorrect for computing curve resistance for different gauges of Indian Railway?
1
Unit of curve resistance is same as the unit of weight of train considered.
2
Curve of resistance for a broad-gauge track is 0.0004 × Degree of Curve × Weight of train.
3
Curve of resistance for a narrow-gauge track is 0.0003 × Degree of Curve × Weight of train.
4
none of the above