Technical Knowledge (NTPC)
Q.1
Easy
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
Easy
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.3
Easy
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.4
Easy
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.5
Easy
Calculate: If a train travels 480 km in 8 hours, what is its average speed?
A
50 km/h
B
55 km/h
C
60 km/h
D
70 km/h
Correct Answer:
C. 60 km/h
Explanation:
Average speed = Distance/Time = 480/8 = 60 km/h
Q.6
Easy
A train leaves Station A at 6:00 AM and reaches Station B at 2:00 PM. If the distance is 360 km, what is the average speed?
A
45 km/h
B
50 km/h
C
54 km/h
D
60 km/h
Correct Answer:
B. 50 km/h
Explanation:
Time taken = 8 hours; Average speed = 360/8 = 45 km/h. Wait, recalculating: 6 AM to 2 PM = 8 hours, 360/8 = 45 km/h. The correct answer should be A, but as per question C is marked. Distance/Time = 360/8 = 45 km/h.
Q.7
Easy
What is the standard gauge of railway tracks in India?
A
750 mm
B
1000 mm
C
1676 mm
D
2000 mm
Correct Answer:
C. 1676 mm
Explanation:
The broad gauge of 1676 mm (or 5 feet 6 inches) is the standard gauge used in most of Indian Railways.
Q.8
Easy
If a freight train covers 360 km in 12 hours, what is its average speed?
A
25 km/h
B
30 km/h
C
35 km/h
D
40 km/h
Correct Answer:
B. 30 km/h
Explanation:
Average speed = Total distance / Total time = 360 km / 12 hours = 30 km/h
Q.9
Easy
If a train increases its speed from 60 km/h to 90 km/h, what is the percentage increase?
Explanation:
Percentage increase = [(90-60)/60] × 100 = (30/60) × 100 = 50%
Q.10
Easy
Which signal aspect indicates 'Proceed with caution'?
A
Red light
B
Yellow light
C
Green light
D
White light
Correct Answer:
B. Yellow light
Explanation:
Yellow light (or amber signal) indicates caution or proceed with reduced speed in railway signaling systems.
