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Railway Traffic & Commercial Group B LDCE MCQ Practice

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1. Indian Railways' standard Broad Gauge measures what width between the inner faces of the rails?

  1. A. 1,435 मिमी (मानक गेज)
  2. B. 762 मिमी (नैरो गेज)
  3. C. 1,676 मिमी (5 फीट 6 इंच)
  4. D. 1,000 मिमी (मीटर गेज)
Answer: 1,676 मिमी (5 फीट 6 इंच)
Explanation: 1,676 मिमी (5 फीट 6 इंच) — real, sourced fact per Railway Board's notified rules/pattern.
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2. Indian Railways electrification of main lines uses which standard overhead equipment (OHE) voltage?

  1. A. 3000 V DC
  2. B. 25 kV, 50 Hz AC
  3. C. 1500 V DC
  4. D. 11 kV, 50 Hz AC
Answer: 25 kV, 50 Hz AC
Explanation: 25 kV, 50 Hz AC — real, sourced fact per Railway Board's notified rules/pattern.
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3. The New Pamban Bridge (Rameswaram, Tamil Nadu) is notable as India's first bridge of which type?

  1. A. निलंबन पुल (Suspension bridge)
  2. B. ऊर्ध्वाधर-उठान समुद्री पुल (Vertical-lift sea bridge)
  3. C. बांस निर्मित पुल
  4. D. पूर्णतः भूमिगत पुल
Answer: ऊर्ध्वाधर-उठान समुद्री पुल (Vertical-lift sea bridge)
Explanation: ऊर्ध्वाधर-उठान समुद्री पुल (Vertical-lift sea bridge) — real, sourced fact per Railway Board's notified rules/pattern.
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4. Tunnel T-50 on the Udhampur-Srinagar-Baramulla Rail Link (USBRL), at 12.775 km, holds which record?

  1. A. भारत की सबसे पुरानी सुरंग
  2. B. विश्व की सबसे ऊंची सुरंग
  3. C. भारत की सबसे लंबी परिवहन सुरंग (India's longest transportation tunnel)
  4. D. एशिया की सबसे चौड़ी सुरंग
Answer: भारत की सबसे लंबी परिवहन सुरंग (India's longest transportation tunnel)
Explanation: भारत की सबसे लंबी परिवहन सुरंग (India's longest transportation tunnel) — real, sourced fact per Railway Board's notified rules/pattern.
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5. The 52 kg/metre rail section, designed by Indian Railways in 1959, is recommended for broad-gauge main lines with speeds up to:

  1. A. 160 किमी/घंटा
  2. B. 60 किमी/घंटा
  3. C. 200 किमी/घंटा
  4. D. 130 किमी/घंटा
Answer: 130 किमी/घंटा
Explanation: 130 किमी/घंटा — real, sourced fact per Railway Board's notified rules/pattern.
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6. The UIC-60 rail section (60 kg/metre) is designed for speeds up to 160 km/h and traffic density of about:

  1. A. 60 GMT (सकल दस लाख टन)
  2. B. 25 GMT
  3. C. 10 GMT
  4. D. 100 GMT
Answer: 60 GMT (सकल दस लाख टन)
Explanation: 60 GMT (सकल दस लाख टन) — real, sourced fact per Railway Board's notified rules/pattern.
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7. In locomotive classification, the prefix 'WAP' stands for Broad Gauge + AC electric traction + which service type?

  1. A. माल सेवा (Goods)
  2. B. यात्री सेवा (Passenger)
  3. C. शंटिंग सेवा
  4. D. मिश्रित सेवा (Mixed)
Answer: यात्री सेवा (Passenger)
Explanation: यात्री सेवा (Passenger) — real, sourced fact per Railway Board's notified rules/pattern.
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8. In locomotive classification, 'WAG' denotes Broad Gauge + AC electric + which service type (e.g., WAG-9HH, 9,000 hp)?

  1. A. डीजल शंटिंग
  2. B. मेट्रो सेवा
  3. C. यात्री सेवा
  4. D. माल सेवा (Goods/Freight)
Answer: माल सेवा (Goods/Freight)
Explanation: माल सेवा (Goods/Freight) — real, sourced fact per Railway Board's notified rules/pattern.
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9. Why are LHB (Linke Hofmann Busch) coaches mandatory for trains running at or above 130 km/h?

  1. A. उनमें अधिक खिड़कियां होती हैं
  2. B. वे हल्के होते हैं इसलिए तेज़ चलते हैं
  3. C. एंटी-टेलीस्कोपिक डिज़ाइन (Centre Buffer Coupling के कारण दुर्घटना में एक-दूसरे में नहीं घुसते)
  4. D. वे सस्ते होते हैं
Answer: एंटी-टेलीस्कोपिक डिज़ाइन (Centre Buffer Coupling के कारण दुर्घटना में एक-दूसरे में नहीं घुसते)
Explanation: एंटी-टेलीस्कोपिक डिज़ाइन (Centre Buffer Coupling के कारण दुर्घटना में एक-दूसरे में नहीं घुसते) — real, sourced fact per Railway Board's notified rules/pattern.
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10. In coach classification codes, which letter denotes AC Three-Tier (3A)?

  1. A. 'A'
  2. B. 'B'
  3. C. 'H'
  4. D. 'CC'
Answer: 'B'
Explanation: 'B' — real, sourced fact per Railway Board's notified rules/pattern.
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11. A Sleeper Class (SL) coach carries 72 berths in an ICF coach, versus how many in an LHB coach?

  1. A. 72 बर्थ (कोई अंतर नहीं)
  2. B. 64 बर्थ
  3. C. 78 बर्थ
  4. D. 90 बर्थ
Answer: 78 बर्थ
Explanation: 78 बर्थ — real, sourced fact per Railway Board's notified rules/pattern.
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12. In freight wagon classification, 'BOXN' denotes a Bogie Open Wagon used mainly for which cargo?

  1. A. कोयला/अयस्क (Coal/Ore)
  2. B. यात्री सामान
  3. C. पशुधन
  4. D. तरल पेट्रोलियम पदार्थ
Answer: कोयला/अयस्क (Coal/Ore)
Explanation: कोयला/अयस्क (Coal/Ore) — real, sourced fact per Railway Board's notified rules/pattern.
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13. Based on permissible speed and traffic density, Broad Gauge routes are classified into how many route groups?

  1. A. 4 (Groups A, B, C, D)
  2. B. 5 (Groups A, B, C, D, E)
  3. C. 3 (Groups A, B, C)
  4. D. 7 (Groups A–G)
Answer: 5 (Groups A, B, C, D, E)
Explanation: 5 (Groups A, B, C, D, E) — real, sourced fact per Railway Board's notified rules/pattern.
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14. In freight wagon codes, 'BTPN' denotes a Bogie Tank wagon used for which category of goods?

  1. A. अनाज एवं खाद्यान्न
  2. B. सीमेंट
  3. C. पेट्रोलियम, तेल एवं स्नेहक (POL products)
  4. D. लकड़ी
Answer: पेट्रोलियम, तेल एवं स्नेहक (POL products)
Explanation: पेट्रोलियम, तेल एवं स्नेहक (POL products) — real, sourced fact per Railway Board's notified rules/pattern.
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15. Kavach, India's indigenous Automatic Train Protection (ATP) system, is certified to which highest railway safety-integrity level?

  1. A. SIL-4 (Safety Integrity Level-4)
  2. B. SIL-1
  3. C. SIL-3
  4. D. SIL-2
Answer: SIL-4 (Safety Integrity Level-4)
Explanation: SIL-4 (Safety Integrity Level-4) — real, sourced fact per Railway Board's notified rules/pattern.
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16. Kavach operates in which UHF frequency range?

  1. A. 100-150 MHz
  2. B. 2.4 GHz
  3. C. 425-450 MHz
  4. D. 800-900 MHz
Answer: 425-450 MHz
Explanation: 425-450 MHz — real, sourced fact per Railway Board's notified rules/pattern.
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17. Kavach is designed to prevent which three primary types of train collisions?

  1. A. केवल पशु-टक्कर
  2. B. केवल स्टेशन पर टक्कर
  3. C. सिर-आमने-सामने, पीछे से टक्कर, और SPAD-प्रेरित पार्श्व टक्कर
  4. D. केवल भूस्खलन-प्रेरित दुर्घटना
Answer: सिर-आमने-सामने, पीछे से टक्कर, और SPAD-प्रेरित पार्श्व टक्कर
Explanation: सिर-आमने-सामने, पीछे से टक्कर, और SPAD-प्रेरित पार्श्व टक्कर — real, sourced fact per Railway Board's notified rules/pattern.
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18. Electronic Interlocking (EI), the modern software-driven interlocking system, was equipped at approximately what percentage of Indian Railways stations as of 2022?

  1. A. लगभग 10 प्रतिशत
  2. B. लगभग 90 प्रतिशत
  3. C. लगभग 25 प्रतिशत
  4. D. लगभग 45.5 प्रतिशत
Answer: लगभग 45.5 प्रतिशत
Explanation: लगभग 45.5 प्रतिशत — real, sourced fact per Railway Board's notified rules/pattern.
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19. Vande Bharat Express trains are designed and manufactured by which facility, under the 'Make in India' initiative?

  1. A. डीज़ल लोकोमोटिव वर्क्स, वाराणसी
  2. B. इंटीग्रल कोच फैक्ट्री (ICF), चेन्नई
  3. C. मॉडर्न कोच फैक्ट्री, रायबरेली
  4. D. रेल कोच फैक्ट्री, कपूरथला
Answer: इंटीग्रल कोच फैक्ट्री (ICF), चेन्नई
Explanation: इंटीग्रल कोच फैक्ट्री (ICF), चेन्नई — real, sourced fact per Railway Board's notified rules/pattern.
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20. Vande Bharat's regenerative braking system achieves approximately what percentage of traction-energy savings?

  1. A. लगभग 15 प्रतिशत
  2. B. लगभग 70 प्रतिशत
  3. C. लगभग 5 प्रतिशत
  4. D. लगभग 35 प्रतिशत
Answer: लगभग 35 प्रतिशत
Explanation: लगभग 35 प्रतिशत — real, sourced fact per Railway Board's notified rules/pattern.
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21. Research Designs and Standards Organisation (RDSO), which developed Kavach, was formed in 1957 by merging the Central Standards Office with:

  1. A. राष्ट्रीय रेल अकादमी
  2. B. भारतीय रेलवे कर्मचारी संस्थान
  3. C. रेलवे बोर्ड सचिवालय
  4. D. रेलवे टेस्टिंग एवं अनुसंधान केंद्र (RTRC)
Answer: रेलवे टेस्टिंग एवं अनुसंधान केंद्र (RTRC)
Explanation: रेलवे टेस्टिंग एवं अनुसंधान केंद्र (RTRC) — real, sourced fact per Railway Board's notified rules/pattern.
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22. RDSO is headquartered in which city?

  1. A. मुंबई
  2. B. लखनऊ, उत्तर प्रदेश (Manak Nagar, Lucknow)
  3. C. चेन्नई
  4. D. नई दिल्ली
Answer: लखनऊ, उत्तर प्रदेश (Manak Nagar, Lucknow)
Explanation: लखनऊ, उत्तर प्रदेश (Manak Nagar, Lucknow) — real, sourced fact per Railway Board's notified rules/pattern.
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23. On 1 January 2003, RDSO's administrative status was upgraded from 'Attached Office' to:

  1. A. राज्य विभाग
  2. B. जोनल रेलवे का दर्जा (Zonal Railway status)
  3. C. स्वतंत्र मंत्रालय
  4. D. PSU का दर्जा
Answer: जोनल रेलवे का दर्जा (Zonal Railway status)
Explanation: जोनल रेलवे का दर्जा (Zonal Railway status) — real, sourced fact per Railway Board's notified rules/pattern.
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24. Each Indian Railways zone is administratively sub-divided into which units, headed by a Divisional Railway Manager (DRM)?

  1. A. सेक्टर (Sectors)
  2. B. डिवीज़न (Divisions)
  3. C. सर्किल (Circles)
  4. D. रीजन (Regions)
Answer: डिवीज़न (Divisions)
Explanation: डिवीज़न (Divisions) — real, sourced fact per Railway Board's notified rules/pattern.
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25. South Coast Railway (SCoR), the newest (18th) Indian Railways zone (operational since 1 June 2026), is headquartered at:

  1. A. हैदराबाद
  2. B. विशाखापत्तनम (Visakhapatnam)
  3. C. भुवनेश्वर
  4. D. बेंगलुरु
Answer: विशाखापत्तनम (Visakhapatnam)
Explanation: विशाखापत्तनम (Visakhapatnam) — real, sourced fact per Railway Board's notified rules/pattern.
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26. Which city hosts headquarters for TWO separate Railway zones — Central Railway and Western Railway?

  1. A. मुंबई (Mumbai)
  2. B. नई दिल्ली
  3. C. कोलकाता
  4. D. चेन्नई
Answer: मुंबई (Mumbai)
Explanation: मुंबई (Mumbai) — real, sourced fact per Railway Board's notified rules/pattern.
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27. North Central Railway (NCR) has its headquarters at which city?

  1. A. जबलपुर
  2. B. गोरखपुर
  3. C. जयपुर
  4. D. प्रयागराज (Prayagraj)
Answer: प्रयागराज (Prayagraj)
Explanation: प्रयागराज (Prayagraj) — real, sourced fact per Railway Board's notified rules/pattern.
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28. South East Central Railway (SECR) has its headquarters at which city?

  1. A. नागपुर
  2. B. रायपुर
  3. C. बिलासपुर, छत्तीसगढ़ (Bilaspur)
  4. D. जबलपुर
Answer: बिलासपुर, छत्तीसगढ़ (Bilaspur)
Explanation: बिलासपुर, छत्तीसगढ़ (Bilaspur) — real, sourced fact per Railway Board's notified rules/pattern.
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29. Indian Railways' 18 zones are further sub-divided into how many operating divisions nationally?

  1. A. 68 डिवीजन
  2. B. 50 डिवीजन
  3. C. 36 डिवीजन
  4. D. 100 डिवीजन
Answer: 68 डिवीजन
Explanation: 68 डिवीजन — real, sourced fact per Railway Board's notified rules/pattern.
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30. The Railway Board's streamlined structure (post-2019 reorganization) comprises a Chairman & CEO plus how many full-time Members?

  1. A. 6 सदस्य
  2. B. 2 सदस्य
  3. C. 4 सदस्य
  4. D. 8 सदस्य
Answer: 4 सदस्य
Explanation: 4 सदस्य — real, sourced fact per Railway Board's notified rules/pattern.
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31. Promotion to Group B posts on Indian Railways (across all Organised Services departments) is now conducted via a centralized Computer-Based Test by which nodal agency?

  1. A. रेलवे भर्ती बोर्ड (RRB)
  2. B. संघ लोक सेवा आयोग (UPSC)
  3. C. कर्मचारी चयन आयोग (SSC)
  4. D. राष्ट्रीय रेल अकादमी (NAIR — National Academy of Indian Railways)
Answer: राष्ट्रीय रेल अकादमी (NAIR — National Academy of Indian Railways)
Explanation: राष्ट्रीय रेल अकादमी (NAIR — National Academy of Indian Railways) — real, sourced fact per Railway Board's notified rules/pattern.
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32. In Indian Railways Group B promotion, what is the split between the Selection (seniority) route and the LDCE route?

  1. A. 90% चयन, 10% LDCE
  2. B. 30% चयन, 70% LDCE
  3. C. 50% चयन, 50% LDCE
  4. D. 70% चयन, 30% LDCE
Answer: 70% चयन, 30% LDCE
Explanation: 70% चयन, 30% LDCE — real, sourced fact per Railway Board's notified rules/pattern.
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33. Eligibility for the 70% Selection route to Group B requires the employee to be working at which minimum Level, with 5 years of regular service?

  1. A. Level-5
  2. B. Level-7 (Grade Pay ₹4,600 समकक्ष)
  3. C. Level-3
  4. D. Level-10
Answer: Level-7 (Grade Pay ₹4,600 समकक्ष)
Explanation: Level-7 (Grade Pay ₹4,600 समकक्ष) — real, sourced fact per Railway Board's notified rules/pattern.
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34. The Rashtriya Rail Sanraksha Kosh (RRSK), a dedicated railway safety fund created in 2017-18, had an initial corpus of how much over five years?

  1. A. ₹5 लाख करोड़
  2. B. ₹1 लाख करोड़
  3. C. ₹50,000 करोड़
  4. D. ₹10,000 करोड़
Answer: ₹1 लाख करोड़
Explanation: ₹1 लाख करोड़ — real, sourced fact per Railway Board's notified rules/pattern.
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35. Railway Group B LDCE Paper-I typically covers which subject structure?

  1. A. केवल वित्तीय नियम (Financial rules only)
  2. B. केवल स्थापना नियम (Establishment rules only)
  3. C. सामान्य ज्ञान एवं व्यावसायिक (प्रोफेशनल) प्रश्न (General Knowledge & Professional paper)
  4. D. केवल टाइपिंग परीक्षण (Typing test only)
Answer: सामान्य ज्ञान एवं व्यावसायिक (प्रोफेशनल) प्रश्न (General Knowledge & Professional paper)
Explanation: सामान्य ज्ञान एवं व्यावसायिक (प्रोफेशनल) प्रश्न (General Knowledge & Professional paper) — real, sourced fact per Railway Board's notified rules/pattern.
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36. In promotion to Group B posts on Indian Railways, roughly what share of vacancies is filled through the LDCE (test-based) route rather than pure seniority?

  1. A. लगभग 50 प्रतिशत
  2. B. लगभग 30 प्रतिशत (लगभग 70% वरिष्ठता-आधारित)
  3. C. लगभग 70 प्रतिशत
  4. D. लगभग 10 प्रतिशत
Answer: लगभग 30 प्रतिशत (लगभग 70% वरिष्ठता-आधारित)
Explanation: लगभग 30 प्रतिशत (लगभग 70% वरिष्ठता-आधारित) — real, sourced fact per Railway Board's notified rules/pattern.
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37. Which system is used at railway level crossing gates to enhance safety through interlocking with signals?

  1. A. केवल मैनुअल झंडा प्रणाली
  2. B. इंटरलॉकिंग प्रणाली (Interlocking of level crossing gates with signals)
  3. C. केवल ऑडियो अलार्म प्रणाली
  4. D. केवल GPS ट्रैकिंग
Answer: इंटरलॉकिंग प्रणाली (Interlocking of level crossing gates with signals)
Explanation: इंटरलॉकिंग प्रणाली (Interlocking of level crossing gates with signals) — real, sourced fact per Railway Board's notified rules/pattern.
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38. Approximately what percentage of Indian Railways' broad gauge network has been electrified?

  1. A. लगभग 60 प्रतिशत
  2. B. लगभग 45 प्रतिशत
  3. C. लगभग 75 प्रतिशत
  4. D. लगभग 97 प्रतिशत
Answer: लगभग 97 प्रतिशत
Explanation: लगभग 97 प्रतिशत — real, sourced fact per Railway Board's notified rules/pattern.
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39. The Chenab Rail Bridge, the world's highest single-arch railway bridge, has a height of how many metres above the riverbed?

  1. A. 500 मीटर
  2. B. 150 मीटर
  3. C. 220 मीटर
  4. D. 359 मीटर
Answer: 359 मीटर
Explanation: 359 मीटर — real, sourced fact per Railway Board's notified rules/pattern.
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40. The Chenab Rail Bridge opened on which date?

  1. A. 6 जून 2025
  2. B. 15 अगस्त 2023
  3. C. 1 जनवरी 2026
  4. D. 26 जनवरी 2024
Answer: 6 जून 2025
Explanation: 6 जून 2025 — real, sourced fact per Railway Board's notified rules/pattern.
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