Showing 101–110 of 132 questions
Q.101
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.102
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.103
Easy
Technical Knowledge (NTPC)
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.104
Easy
Technical Knowledge (NTPC)
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.105
Easy
Technical Knowledge (NTPC)
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.106
Easy
Technical Knowledge (NTPC)
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.107
Easy
Technical Knowledge (NTPC)
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.108
Easy
Technical Knowledge (NTPC)
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.
Q.109
Easy
Technical Knowledge (NTPC)
If the ratio of express trains to local trains is 3:5, and there are 24 express trains, how many local trains are there?
Explanation:
If 3:5 is the ratio and express trains = 24, then 3 units = 24, so 1 unit = 8. Local trains = 5 units = 5×8 = 40
Q.110
Easy
Technical Knowledge (NTPC)
What is the gauge measurement for Meter Gauge (MG) railways in India?
A
1000 mm
B
1676 mm
C
762 mm
D
1219 mm
Correct Answer:
A. 1000 mm
Explanation:
Meter Gauge has a standard width of 1000 mm. Broad Gauge is 1676 mm, Narrow Gauge is 762 mm, and 1219 mm is rarely used.