Essential General Knowledge Questions on Indian Railways

Technical Knowledge

11. Q: What is the gauge size of the broad gauge used in Indian Railways?
    A: 1,676 mm
12. Q: What is the full form of EMU in railway terminology?
    A: Electric Multiple Unit
13. Q: What does LHB stand for in LHB coaches?
    A: Linke Hofmann Busch
14. Q: What is the main purpose of an auxiliary power unit (APU) in a diesel locomotive?
    A: To provide power for the train’s auxiliary functions when the main engine is off
15. Q: What is the standard voltage used in Indian Railway electrification?
    A: 25 kV AC
16. Q: What is the term used for a train’s stopping point at a station?
    A: Halt
17. Q: What is the meaning of ‘siding’ in railway terminology?
    A: A low-speed track section for loading, unloading, or storing trains
18. Q: Which technology is used in the Train Protection and Warning System (TPWS)?
    A: Radio communication and signal processing
19. Q: What is the role of a ‘block instrument’ in railway signaling?
    A: To ensure that only one train occupies a block section at a time
20. Q: What does the term ‘shunting’ refer to in railway operations?
    A: The process of moving trains or carriages into different positions for assembly or disassembly