Knowledge Booster: NAIR Edition (27 Apr 2026)
Welcome to today's NAIR Knowledge Booster! We've handpicked 10 essential questions from our database to help you sharpen your skills. Dive in and test your knowledge!
Q1. Within how many days after the date of accident, DAR action has to be completed?
- A) D+30
- B) D+60
- C) D+90
- D) None of these
Correct Answer: D+90
Explanation: Disciplinary and Appeal Rules (DAR) require the finalization of accident-related inquiries and actions within 90 days of the occurrence[cite: 2856, 2862, 2879].
Q2. ICMS stands for?
- A) Integral Coach Maintenance System
- B) Integral Coaching Monitoring System
- C) Internal Coaching Management System
- D) Integrated Coaching Management System
Correct Answer: Integrated Coaching Management System
Explanation: ICMS is the comprehensive platform used for managing all aspects of coaching operations and punctuality.
Q3. WGSCN stands for which Coaches?
- A) II Class Sleeper
- B) AC Executive Chair Car
- C) Second AC Sleeper
- D) Second AC Chair Car
Correct Answer: II Class Sleeper
Explanation: WGSCN is the coach code for a vestibuled (W) second-class (G) three-tier sleeper (SCN) coach[cite: 1922, 1935].
Q4. For accident enquiries ordered by DRM, what is the modal time for report submission?
- A) D+3
- B) D+7
- C) D+10
- D) D+30
Correct Answer: D+7
Explanation: Accident enquiry committees ordered by the DRM are required to submit their findings within 7 days (D+7) of the incident.
Q5. Which language is not included in the Eighth Schedule?
- A) Urdu
- B) Sindhi
- C) Braj
- D) Konkani
Correct Answer: Braj
Explanation: While spoken widely, Braj is considered a dialect of Hindi and is not one of the 22 languages listed in the Eighth Schedule.
Q6. Maximum Permissible Sanctioned Speed of B Class ODC in BG.
- A) 75 Kmph
- B) Sectional speed
- C) 60 Kmph
- D) 40 Kmph
Correct Answer: 40 Kmph
Explanation: The safety limit for B-Class ODC on Broad Gauge tracks is restricted to a maximum of 40 Kmph. [cite: 19, 31]
Q7. A train entering a block section without any authority to proceed constitutes accident under which class?
- A) Class A
- B) Class D
- C) Class B
- D) Class G
Correct Answer: Class G
Explanation: Entering a block section without authority is categorized as a Class G 'Breach of Block Rules' accident[cite: 2173, 2184].
Q8. A short section of insulated and dead overhead equipment which separates sub-stations is known as?
- A) Neutral section
- B) Feeding Post
- C) Joint Section
- D) None of these
Correct Answer: Neutral section
Explanation: A Neutral Section is a short, unpowered segment of OHE that prevents the mixing of electricity from different phases[cite: 2128, 2140].
Q9. DFC routes have upgraded design features of what axle load for bridges?
- A) 25 tonnes
- B) 32.5 tonnes
- C) 35 tonnes
- D) None of the given options
Correct Answer: 32.5 tonnes
Explanation: Dedicated Freight Corridors (DFC) are built to world-class standards with a bridge axle load capacity of 32.5 tonnes.
Q10. Which of the following is not a component of Marshalling Yard?
- A) Exchange yard
- B) Reception yard
- C) Sorting yard
- D) Dispatch yard
Correct Answer: Exchange yard
Explanation: While technically part of the complex, exchange yards are distinct from the core Marshalling components like Sorting and Dispatch.
Best portal for railway departmental exam
mycbt.in - join free
Comments 0
Post CommentNo comments yet. Be the first to comment!