Showing 111–120 of 132 questions
Q.111
Easy
Technical Knowledge (NTPC)
What does DEMU stand for in railway terminology?
A
Diesel Electric Multiple Unit
B
Diesel Engine Mobile Unit
C
Diesel Electric Motorized Unit
D
Direct Electric Multiple Unit
Correct Answer:
A. Diesel Electric Multiple Unit
Explanation:
DEMU stands for Diesel Electric Multiple Unit, used for short-distance passenger transport.
Q.112
Easy
Technical Knowledge (NTPC)
What is the maximum speed limit for Broad Gauge trains in general sections?
A
100 km/h
B
110 km/h
C
120 km/h
D
160 km/h
Correct Answer:
B. 110 km/h
Explanation:
The standard maximum speed for Broad Gauge trains is 110 km/h, though high-speed sections allow up to 160 km/h.
Q.113
Easy
Technical Knowledge (NTPC)
Which signal aspect displayed by a signal indicates 'Stop'?
A
Red light only
B
Green light only
C
Yellow light only
D
Flashing green light
Correct Answer:
A. Red light only
Explanation:
A red light signal indicates 'Stop' and the driver must bring the train to a complete halt.
Q.114
Easy
Technical Knowledge (NTPC)
A train covers 240 km in 4 hours, then 180 km in 3 hours. What is its average speed?
A
55 km/h
B
60 km/h
C
65 km/h
D
70 km/h
Correct Answer:
B. 60 km/h
Explanation:
Total distance = 240 + 180 = 420 km. Total time = 4 + 3 = 7 hours. Average speed = 420/7 = 60 km/h.
Q.115
Easy
Technical Knowledge (NTPC)
If the ratio of express trains to freight trains is 3:5, and there are 24 express trains, how many freight trains are there?
Explanation:
If express:freight = 3:5 and express trains = 24, then 24/3 = 8 (unit value). Freight trains = 5 × 8 = 40.
Q.116
Easy
Technical Knowledge (NTPC)
What is the standard gauge width used in Indian Railways?
A
1676 mm
B
1000 mm
C
762 mm
D
1435 mm
Correct Answer:
A. 1676 mm
Explanation:
Indian Railways primarily use 1676 mm (5 feet 6 inches) broad gauge, which is unique to India and a few other countries.
Q.117
Easy
Technical Knowledge (NTPC)
What is the maximum speed limit for passenger trains on Indian broad gauge tracks?
A
100 km/h
B
130 km/h
C
160 km/h
D
200 km/h
Correct Answer:
B. 130 km/h
Explanation:
The maximum speed limit for conventional broad gauge passenger trains in India is 130 km/h, though some specialized trains may exceed this.
Q.118
Easy
Technical Knowledge (NTPC)
Which of the following best describes the purpose of a ballast in railway tracks?
A
To add weight to trains
B
To provide support and distribute load of the track
C
To lubricate the rails
D
To measure train speed
Correct Answer:
B. To provide support and distribute load of the track
Explanation:
Ballast (usually stones or gravel) provides a stable bed for sleepers, distributes the load of the track, and improves drainage.
Q.119
Easy
Technical Knowledge (NTPC)
If a train travels 450 km in 6 hours, what is its average speed?
A
65 km/h
B
70 km/h
C
75 km/h
D
80 km/h
Correct Answer:
C. 75 km/h
Explanation:
Average speed = Total distance / Total time = 450 km / 6 hours = 75 km/h
Q.120
Easy
Technical Knowledge (NTPC)
What is the role of a guard in a freight train?
A
To collect tickets
B
To monitor wagon conditions and train movement
C
To drive the locomotive
D
To maintain passenger comfort
Correct Answer:
B. To monitor wagon conditions and train movement
Explanation:
A freight train guard (or brake van attendant) monitors wagon conditions, coupling, load security, and assists in train operations.
