Under which scheme has Indian Railways launched Wi-Fi services on trains?

The correct answer is B: RailWire WiFi. RailWire provides free Wi-Fi services at railway stations and on selected trains as part of digital connectivity initiatives.

Which of the following statements about sound waves is incorrect?

The correct answer is C: Sound can propagate through vacuum. Sound cannot propagate through vacuum because it requires a medium (solid, liquid, or gas) to travel. Sound travels fastest in solids, slower in liquids, and slowest in gases. Frequency determines pitch.

Which of the following is the correct sequence of air brake components in Indian Railways from pressure source to wheels?

The correct answer is A: Compressor → Reservoir → Control valve → Brake cylinder. The correct sequence is: Air compressor generates compressed air → stored in reservoir → regulated through control valve → transmitted to brake cylinders on wheels.

What is the minimum turning radius for broad gauge railway tracks?

The correct answer is B: 300 meters. The minimum turning radius for broad gauge tracks is approximately 300 meters to ensure safe operations.

What is the total length of Indian Railways network as of 2024?

The correct answer is B: About 68,000 km. The Indian Railways network spans approximately 68,000 km, making it one of the largest in the world.

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Railway RRB / NTPC

NTPC, Group D, JE — all sections

79 Q 5 Topics Take Mock Test

Difficulty: All Easy Medium Hard 11–20 of 79

Topics in Railway RRB / NTPC

All General Science 100 Mathematics 18 Current Affairs (Railway) 100 Indian Railway GK 100 Technical Knowledge (NTPC) 100

Q.11 Hard Technical Knowledge (NTPC)

Which railway zone is the largest in terms of route kilometers?

A Central Railway

B Northern Railway

C Indian Railways (entire network)

D Southern Railway

Correct Answer: B. Northern Railway

EXPLANATION

The Northern Railway zone has the largest route length among all railway zones in India.

Test

Q.12 Hard Technical Knowledge (NTPC)

Which of the following is NOT a function of railway sleepers?

A To transfer loads from rails to ballast

B To maintain gauge distance between rails

C To control train speed

D To provide lateral stability to rails

Correct Answer: C. To control train speed

EXPLANATION

Sleepers (ties) support rails, maintain gauge, and distribute loads; train speed control is managed by braking systems and track design, not sleepers.

Test

Q.13 Hard Technical Knowledge (NTPC)

What is the normal track curvature radius for broad gauge on Indian Railways?

A 500 meters minimum

B 800 meters minimum

C 1000 meters minimum

D 1200 meters minimum

Correct Answer: B. 800 meters minimum

EXPLANATION

The minimum track curvature radius for broad gauge is approximately 800 meters on Indian Railways.

Test

Q.14 Hard Technical Knowledge (NTPC)

Which organization is responsible for railway safety in India?

A NITI Aayog

B Office of Chief Safety Officer, Ministry of Railways

C DGCA

D National Highway Authority of India

Correct Answer: B. Office of Chief Safety Officer, Ministry of Railways

EXPLANATION

The Office of Chief Safety Officer under the Ministry of Railways oversees railway safety in India.

Test

Q.15 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.

Test

Q.16 Hard Indian Railway GK

The 'Unnat Bharat Abhiyaan' initiative of Indian Railways aims to:

A Modernize all railway stations with digital facilities

B Develop infrastructure in unconnected and remote areas

C Increase freight operations only

D Build high-speed rail networks across India

Correct Answer: B. Develop infrastructure in unconnected and remote areas

EXPLANATION

The 'Unnat Bharat Abhiyaan' focuses on developing railway infrastructure in remote and underdeveloped regions to connect unserved areas and promote inclusive growth.

Test

Q.17 Hard Indian Railway GK

What is the current target capacity of Indian Railways to transport freight annually?

A 1000 million tonnes

B 1200 million tonnes

C 1500 million tonnes

D 2000 million tonnes

Correct Answer: B. 1200 million tonnes

EXPLANATION

Indian Railways targets to transport approximately 1200-1500 million tonnes of freight annually with recent infrastructure improvements.

Test

Q.18 Hard Indian Railway GK

In which year was the Indian Railways' 'Mission Raftar' initiative launched?

A 2015

B 2016

C 2017

D 2018

Correct Answer: B. 2016

EXPLANATION

Mission Raftar was launched in 2016 to increase the average speed of freight and passenger trains.

Test

Q.19 Hard Indian Railway GK

If a train's length is 200 meters and it crosses a platform of 400 meters in 30 seconds, what is its speed?

A 60 km/h

B 65 km/h

C 72 km/h

D 75 km/h

Correct Answer: C. 72 km/h

EXPLANATION

Total distance = 200 + 400 = 600 m; Speed = 600/30 = 20 m/s = 20 × 3.6 = 72 km/h

Test

Q.20 Hard Indian Railway GK

What is the acronym for the railway service that connects tier-2 and tier-3 cities?

A PRASHAD

B UDAY

C DEEN DAYAL UPADHYAYA RAILWAY KANYA PURASKAR

D ADARSH

Correct Answer: A. PRASHAD

EXPLANATION

PRASHAD (Pradhan Mantri Rail Safety and Development Scheme) aims to enhance connectivity and safety of tier-2 and tier-3 cities.

Test

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