The mechanical device which transfer chemical energy of fuel into mechanical energy in the form of motion is called:
The sinuous path taken by an engine as against the alignment of the track is known as:
While preparing sub-grade of a railway line, the grubbing operation means:
The section of a rail is decided on the basis of:
Ballast best suited to steel sleepers is:
The phenomenon of misalignment of rails due to temperature change is known as: