Coal Mines Regulations 2026 MCQ Quiz Part 03 | Rescue Explosives Welfare Dust Control | Draft OSHWC 2026 | Indian Minerology

20 MCQs on Rescue, Explosives, Welfare, Dust/Gas, Draft OSHWC 2026 & DGMS Circulars 2025

Advanced Level for DGMS, Mining Exams & Safety Officers | Focus on Emergency, Blasting & Health

Q1. As per Draft OSHWC (Coal Mines) Regulations 2026, mine rescue stations must be equipped to handle emergencies within what radius?

A) 10 km B) 35 km (as per standard norms likely retained) C) 100 km D) No fixed radius

Correct: B) 35 km (standard rescue coverage; draft emphasizes equipped stations & drills)

Q2. In fiery/gassy coal mines, which type of explosives are permitted under CMR?

A) Ordinary detonators only B) Permitted (P1/P3/P5) explosives approved by DGMS C) Any commercial explosive D) No explosives allowed

Correct: B) Permitted (P1/P3/P5) explosives approved by DGMS (DGMS Circular 01/2025 on quality/condition reinforces this)

Q3. DGMS(Tech.)(S&T) Circular 02 of 2025 provides guidelines on minimum air quantity for?

A) Opencast mines only B) Continuous Miner (CM) and Longwall panels in underground coal mines C) Rescue stations D) Lamp rooms

Correct: B) Continuous Miner (CM) and Longwall panels in underground coal mines (enhanced ventilation for modern tech)

Q4. Under Draft 2026 Regulations, periodic medical examinations are mandatory for?

A) Only underground workers B) All persons employed in coal mines, including officials C) Only managers D) No examinations required

Correct: B) All persons employed in coal mines, including officials (health & fitness focus in draft)

Q5. In coal mines, dust suppression measures must comply with what limit for respirable dust?

A) 5 mg/m³ (time-weighted average) B) 10 mg/m³ C) No limit D) 1 mg/m³

Correct: A) 5 mg/m³ (time-weighted average) (standard under CMR; draft likely retains/enhances)

Q6. DGMS(Tech.) Circular 03 of 2025 addresses precautions against?

A) Explosives mishandling B) Heat wave in summer & high temperature exposure accidents C) Ventilation failure D) Fall of roof

Correct: B) Heat wave in summer & high temperature exposure accidents (for OC & UG mines)

Q7. Rescue & first aid rooms in coal mines must be located at?

A) Surface near entrance B) Within easy access; equipped as per CMR Schedule C) Underground only D) No specific location

Correct: B) Within easy access; equipped as per CMR Schedule (draft 2026 strengthens emergency protocols)

Q8. Blasting in coal mines must be carried out by whom?

A) Any worker B) Competent Blaster with Shotfirer certificate C) Manager only D) No certification needed

Correct: B) Competent Blaster with Shotfirer certificate (CMR Reg 162–170; competency via Board exams)

Q9. In Draft OSHWC 2026, appeals against Inspector's orders go to?

A) No appeal B) Prescribed appellate authority/Central Govt C) Local court D) Mine union

Correct: B) Prescribed appellate authority/Central Govt (draft includes grievance redressal)

Q10. DGMS(Tech.) Circular 07 of 2025 mandates safety features in?

A) Underground ventilation B) HEMM & auxiliary equipment in OC coal/metal mines to prevent fatal accidents C) Explosives storage D) Rescue equipment

Correct: B) HEMM & auxiliary equipment in OC coal/metal mines to prevent fatal accidents (e.g., proximity sensors, alarms)

Q11. Welfare provisions in coal mines include canteens where daily employment exceeds?

A) 50 persons B) 250 persons (as per standard) C) 1000 persons D) No requirement

Correct: B) 250 persons (as per standard; draft 2026 likely enhances welfare)

Q12. Methane monitoring in gassy seams requires detectors calibrated how often?

A) Monthly B) As per DGMS approval; regularly C) Yearly D) No calibration

Correct: B) As per DGMS approval; regularly (CMR Reg 145–150; safety critical)

Q13. In Draft 2026 Regulations, duties of mine management include providing?

A) Only wages B) Safe working environment, PPE, training & health surveillance C) No duties specified D) Only inspections

Correct: B) Safe working environment, PPE, training & health surveillance (core duties in draft)

Q14. Explosives storage magazines in coal mines must be at least how far from buildings/roads?

A) 10 m B) As per DGMS-approved distance table (typically 100–300 m) C) No distance D) 500 m

Correct: B) As per DGMS-approved distance table (typically 100–300 m) (safety distances mandatory)

Q15. DGMS Circular 01 of 2025 focuses on?

A) Ventilation B) Quality and condition of explosive materials used in mines C) Heat wave D) HEMM

Correct: B) Quality and condition of explosive materials used in mines (prevents misfires/detonations)

Q16. In underground coal mines, refuge chambers must be provided where?

A) Every district B) Strategically as per risk assessment & emergency plan C) Only at surface D) No requirement

Correct: B) Strategically as per risk assessment & emergency plan (draft 2026 emphasizes emergency preparedness)

Q17. Penalties for contravention under Draft 2026 include?

A) No penalties B) Fines, imprisonment as per OSH&WC Code C) Only warning D) Closure only

Correct: B) Fines, imprisonment as per OSH&WC Code (enforcement mechanism in draft)

Q18. Canteen facilities in coal mines are to be maintained hygienically and subsidized by?

A) Workers only B) Owner/Agent (cost sharing as per rules) C) Government D) No subsidy

Correct: B) Owner/Agent (cost sharing as per rules; welfare provision)

Q19. The Draft OSHWC (Coal Mines) 2026 public comments period is?

A) 15 days B) 45 days from publication (Jan 28, 2026) C) 90 days D) Closed already

Correct: B) 45 days from publication (Jan 28, 2026; ongoing as of Feb 2026)

Q20. Once finalized, Draft OSHWC (Coal Mines) Regulations 2026 will supersede?

A) MMDR Act provisions B) Old CMR 2017 framework under repealed Mines Act C) Environment laws D) Wage codes

Correct: B) Old CMR 2017 framework under repealed Mines Act (full implementation under OSH&WC Code 2020)

Awesome effort on Part 03! Drop your score in the comments below. For more quizzes, DGMS circular PDFs, or Part 04 (e.g., electricity, machinery, surveys), visit Indian Minerology. Stay safe & keep learning!

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