Which of the following is NOT a function of a railway diesel locomotive's fuel injection system?
A To atomize diesel into fine particles B To inject fuel at precise timing C To regulate engine temperature D To ensure proper combustion
What is the maximum permissible speed for a train on a sharp curve with a radius of 400 meters in Indian Railways?
A 40 km/h B 60 km/h C 80 km/h D 100 km/h
In railway signaling systems, what does a 'yellow signal' indicate?
A Stop immediately B Proceed with caution, prepare to stop at the next signal C Clear to proceed at full speed D Speed restriction zone
What is the primary purpose of a 'screw coupling' in older Indian railway coaches?
A To steer the train B To connect coaches together with manual screwing mechanism C To control brake pressure D To regulate water supply
Which of the following best describes the function of 'creep' in railway tracks?
A Longitudinal movement of rails due to stress and temperature changes B Vertical settling of the track over time C Lateral deviation of the track alignment D Rust formation on rail surfaces
Advertisement
What is the thickness of a standard Indian railway sleeper (tie)?
A 100-150 mm B 200-250 mm C 300-400 mm D 500-600 mm
In a diesel-electric locomotive, what is the primary function of the 'traction motor'?
A To generate electricity from the diesel engine B To convert electrical energy into mechanical motion for driving wheels C To compress air for brake systems D To regulate fuel supply to the engine
What does the term 'cant' or 'superelevation' mean in railway engineering?
A The slope of the railway line upward B The banking or tilting of the outer rail on curves to reduce centrifugal force C The thickness of the rail section D The distance between rail tracks
Which of the following is the correct sequence of air brake components in Indian Railways from pressure source to wheels?
A Compressor → Reservoir → Control valve → Brake cylinder B Reservoir → Compressor → Brake cylinder → Control valve C Control valve → Compressor → Reservoir → Brake cylinder D Brake cylinder → Reservoir → Compressor → Control valve
What is the main advantage of using 'welded rails' in modern Indian Railways compared to 'jointed rails'?
A Lower cost of installation B Reduced noise and vibration, smoother ride, better fuel efficiency C Easier maintenance and repairs D Better drainage of water
In the latest 2024-2025 Indian Railways safety statistics, which zone has shown maximum improvement in accident prevention?
A Northern Railway Zone B Central Railway Zone C Data-driven zones with modern signaling systems D South Eastern Railway Zone
Which of the following is the standard gauge used in Indian Railways?
A 1676 mm (Broad Gauge) B 1000 mm (Meter Gauge) C 762 mm (Narrow Gauge) D 1435 mm (Standard Gauge)
In a modern electric locomotive, what is the primary function of a pantograph?
A To collect electric current from the overhead catenary wire B To store electrical energy in batteries C To regulate air pressure in brakes D To control the speed of the locomotive
What is the purpose of 'ballast' in railway track construction?
A To provide weight for train stability B To distribute load, provide drainage, and maintain proper track alignment C To reduce friction between wheels and rails D To insulate electrical signals in the track
Which Indian Railway zone has the longest route length as of 2024?
A Central Railway B Indian Railway (total network assessment) C Northern Railway D Eastern Railway
In automatic train protection systems, what does an 'aspect' in railway signaling indicate?
A The direction a train is moving B The visual appearance and color of a signal indicating instructions to the driver C The distance between two railway stations D The gradient or slope of the track
What is the primary reason for providing 'expansion joints' in railway tracks?
A To increase the strength of the rail B To allow for thermal expansion and contraction of rails due to temperature changes C To reduce the noise produced by moving trains D To improve electrical conductivity between rail sections
In the context of Indian Railway brake systems, what distinguishes an 'air brake' from a 'vacuum brake'?
A Air brakes use compressed air pressure while vacuum brakes use pressure difference to apply brakes B Vacuum brakes are faster than air brakes C Air brakes are only used on freight trains D Vacuum brakes do not require any mechanical linkage
