Showing 371–380 of 419 questions
Q.371
Medium
Technical Knowledge (NTPC)
A train scheduled to cover 360 km in 6 hours was delayed by 2 hours. What should be its new average speed to reach on time?
A
60 km/h
B
75 km/h
C
80 km/h
D
90 km/h
Correct Answer:
D. 90 km/h
Explanation:
Remaining time = 6 - 2 = 4 hours. New speed required = 360/4 = 90 km/h.
Q.372
Medium
Technical Knowledge (NTPC)
Which railway zone covers the maximum number of states in India?
A
Central Railway
B
Western Railway
C
South Eastern Railway
D
Northern Railway
Correct Answer:
D. Northern Railway
Explanation:
Northern Railway covers the maximum number of states and is one of the largest zones by geographical area.
Q.373
Hard
Technical Knowledge (NTPC)
What is the purpose of a vacuum brake system in trains?
A
To increase train speed
B
To create air pressure for cooling
C
To apply brakes using vacuum pressure differential
D
To prevent wheel skidding
Correct Answer:
C. To apply brakes using vacuum pressure differential
Explanation:
A vacuum brake system applies brakes by creating a pressure difference between the brake cylinder and atmosphere.
Q.374
Medium
Technical Knowledge (NTPC)
The ratio of broad gauge to meter gauge tracks in India is 4:1. If broad gauge tracks are 80,000 km, what is the total track length?
A
95,000 km
B
100,000 km
C
105,000 km
D
110,000 km
Correct Answer:
B. 100,000 km
Explanation:
If BG:MG = 4:1 and BG = 80,000 km, then MG = 20,000 km. Total = 80,000 + 20,000 = 100,000 km.
Q.375
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.376
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.377
Medium
Technical Knowledge (NTPC)
What does CRIS stand for in Indian Railway operations?
A
Central Rail Information System
B
Centralized Railway Information Service
C
Central Railways Integrated System
D
Centralized Rail Infrastructure Service
Correct Answer:
A. Central Rail Information System
Explanation:
CRIS (Central Rail Information System) is the IT backbone of Indian Railways, managing reservation and ticketing systems.
Q.378
Medium
Technical Knowledge (NTPC)
What is the primary function of a fish plate in railway construction?
A
To connect two rail sections
B
To prevent rail buckling
C
To reduce vibration
D
To measure rail temperature
Correct Answer:
A. To connect two rail sections
Explanation:
A fish plate is a steel plate used to connect two rail sections by bolting them together at the joint.
Q.379
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.380
Medium
Technical Knowledge (NTPC)
What is the standard distance between sleepers (cross ties) in Indian broad gauge tracks?
A
0.5 meters
B
1 meter
C
1.5 meters
D
2 meters
Correct Answer:
B. 1 meter
Explanation:
In Indian broad gauge, sleepers are typically spaced 1 meter apart to provide proper support and load distribution.
