Entrance Exams
Govt. Exams
Ballast (usually stones or gravel) provides a stable bed for sleepers, distributes the load of the track, and improves drainage.
A fish plate is a steel plate used to connect two rail sections by bolting them together at the joint.
CRIS (Central Rail Information System) is the IT backbone of Indian Railways, managing reservation and ticketing systems.
The maximum speed limit for conventional broad gauge passenger trains in India is 130 km/h, though some specialized trains may exceed this.
Indian Railways primarily use 1676 mm (5 feet 6 inches) broad gauge, which is unique to India and a few other countries.
If BG:MG = 4:1 and BG = 80,000 km, then MG = 20,000 km. Total = 80,000 + 20,000 = 100,000 km.
A vacuum brake system applies brakes by creating a pressure difference between the brake cylinder and atmosphere.
Northern Railway covers the maximum number of states and is one of the largest zones by geographical area.
Remaining time = 6 - 2 = 4 hours. New speed required = 360/4 = 90 km/h.
SCADA (Supervisory Control and Data Acquisition) is a system for monitoring and controlling railway infrastructure remotely.