Govt. Exams
Entrance Exams
Gati Shakti is a national master plan to develop integrated multimodal infrastructure for economic growth and faster movement of goods and passengers.
AC traction systems are more efficient and require lighter overhead equipment compared to DC systems, making them economical for long-distance routes.
Indian Railways specify a minimum braking distance of approximately 500 meters for trains traveling at 100 km/h under normal conditions.
If freight:passenger = 3:5 and passenger trains = 45, then freight trains = (3/5) × 45 = 27 trains
A turntable is a rotating platform used in railway depots to turn locomotives around and position them for maintenance and service.
Standard platform height in Indian Railways is 0.75 meters (2.5 feet) for broad gauge to ensure safe passenger boarding.
A pantograph is an apparatus that maintains contact with overhead electrical lines to collect power for electric trains.
Speed of first train = 540/9 = 60 km/h; Speed of second train = 540/6 = 90 km/h; Difference = 90 - 60 = 30 km/h
Ultrasonic testing devices are used to detect cracks and breaks in rails without damaging them.
Modern rail steel contains Iron (primary), Carbon (0.6-0.8%), Manganese (0.7-1.0%), and Silicon to provide strength and durability.
