Showing 1–10 of 100 questions
in Technical Knowledge (NTPC)
Q.1
Easy
Technical Knowledge (NTPC)
Which gauge is most commonly used in Indian Railways?
A
Broad Gauge (1676 mm)
B
Meter Gauge (1000 mm)
C
Narrow Gauge (762 mm)
D
Standard Gauge (1435 mm)
Correct Answer:
A. Broad Gauge (1676 mm)
Explanation:
Broad Gauge of 1676 mm is the predominant gauge in Indian Railways, used for major routes.
Q.2
Medium
Technical Knowledge (NTPC)
What is the maximum speed limit for passenger trains on Indian Railways?
A
90 km/h
B
110 km/h
C
130 km/h
D
160 km/h
Correct Answer:
D. 160 km/h
Explanation:
Modern passenger trains on Indian Railways can operate at speeds up to 160 km/h on dedicated corridors.
Q.3
Medium
Technical Knowledge (NTPC)
In 2024, how many railway zones are there in Indian Railways?
A
16 zones
B
18 zones
C
20 zones
D
22 zones
Correct Answer:
B. 18 zones
Explanation:
As of 2024, there are 18 railway zones in Indian Railways after recent reorganization.
Q.4
Easy
Technical Knowledge (NTPC)
What does NTPC stand for in railway context?
A
National Train Passenger Committee
B
Non-Technical Promotion Course
C
National Test for Professional Competency
D
None of the above
Correct Answer:
D. None of the above
Explanation:
NTPC is actually the recruitment exam for Non-Technical Popular Categories by RRB, not an acronym for a specific term.
Q.5
Easy
Technical Knowledge (NTPC)
Which component of a train is responsible for converting fuel into mechanical energy?
A
Boiler
B
Engine/Motor
C
Coupling
D
Brake system
Correct Answer:
B. Engine/Motor
Explanation:
The engine or motor in diesel/electric locomotives converts fuel or electrical energy into mechanical energy for movement.
Q.6
Medium
Technical Knowledge (NTPC)
What is the primary function of a railway buffer?
A
To increase train speed
B
To absorb shocks and vibrations between coaches
C
To regulate electrical current
D
To supply water to engines
Correct Answer:
B. To absorb shocks and vibrations between coaches
Explanation:
Railway buffers (couplers) absorb and dissipate shock energy, protecting coaches from damage during coupling/decoupling.
Q.7
Medium
Technical Knowledge (NTPC)
Which type of braking system is primarily used in Indian Railways?
A
Vacuum braking system
B
Air braking system (Westinghouse)
C
Hydraulic braking system
D
Electromagnetic braking system
Correct Answer:
B. Air braking system (Westinghouse)
Explanation:
Indian Railways predominantly use the Westinghouse air braking system for freight and passenger trains.
Q.8
Hard
Technical Knowledge (NTPC)
What is the standard rail section weight used in Indian Railways (in kg/m)?
A
45 kg/m
B
52 kg/m
C
60 kg/m
D
75 kg/m
Correct Answer:
B. 52 kg/m
Explanation:
52 kg/m is the standard rail section weight commonly used on Indian Railway routes.
Q.9
Easy
Technical Knowledge (NTPC)
Which railway service connects major cities with premium amenities and higher fares?
A
Local trains
B
Express trains
C
Rajdhani Express
D
Freight trains
Correct Answer:
C. Rajdhani Express
Explanation:
Rajdhani Express is a premium intercity service connecting major cities with high-speed and premium amenities.
Q.10
Medium
Technical Knowledge (NTPC)
What is the purpose of a railway siding?
A
To increase main track capacity
B
To allow trains to wait or be stored temporarily
C
To reduce track maintenance costs
D
To increase train speed
Correct Answer:
B. To allow trains to wait or be stored temporarily
Explanation:
Sidings are branch tracks where trains can be parked, waiting, or loaded/unloaded without blocking main lines.
