Q) In a below ground mine, 50 persons are ordinarily employed in belowground and a rescue station is available at 20 km from the mine. How many rescue rooms are required to be provided by Owner?
1. Three
2. None of the options
3. One
4. Two
5. no requirement
https://miningjunction.in/in-a-below-ground-mine-50-persons-are-ordinarily-employed-in-belowground-and-a-rescue-station-is-available-at-20-km-from-the-mine-how-many-rescue-rooms-are-required-to-be-provided-by-owner/
1. Three
2. None of the options
3. One
4. Two
5. no requirement
https://miningjunction.in/in-a-below-ground-mine-50-persons-are-ordinarily-employed-in-belowground-and-a-rescue-station-is-available-at-20-km-from-the-mine-how-many-rescue-rooms-are-required-to-be-provided-by-owner/
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🔔 Job Alert: SSH Surveyor at Aditya Birla Group
📍 Location: Waidhan, Madhya Pradesh
💼 Role: Assistant Manager (Mining Surveyor)
🕒 Experience: 8–10 years
📜 Requirements: Mining Engineering degree, land surveying, statutory compliance, and experience with modern survey tools.
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📍 Location: Waidhan, Madhya Pradesh
💼 Role: Assistant Manager (Mining Surveyor)
🕒 Experience: 8–10 years
📜 Requirements: Mining Engineering degree, land surveying, statutory compliance, and experience with modern survey tools.
🌐 Apply here: https://abgcareers.peoplestrong.com/job/detail/ABG69053
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⚫ Magnetite (Fe₃O₄): Valued for its natural magnetism and energy efficiency in processing.
🔶 Goethite (FeO(OH)): A versatile mineral often used in iron production and abundant in surface deposits.
🟠 Limonite (FeO(OH)·nH₂O): With its distinct yellow-brown hue.
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Controlled Methods of blasting:
Controlled blasting is used to reduce over break & minimize fracturing of rock at the boundary of an excavation. The technique involves the following:
1. Line drilling.
2. Pre splitting.
3. Cushion blasting.
4. Smooth blasting.
Controlled blasting is used to reduce over break & minimize fracturing of rock at the boundary of an excavation. The technique involves the following:
1. Line drilling.
2. Pre splitting.
3. Cushion blasting.
4. Smooth blasting.
Places to be fenced in an opencast mine:
1. Top edge of open cast workings.
2. The toe of a rejection or spoil bank near buildings, public roads etc.
3. Storage tanks for water.
4. Top of abandoned quarries.
5. Top of trial pits and trenches.
6. Entrances to the site of an accident.
7. Around an ANFO mixing shed.
8. Entrances to dangerous places like overhangs, undercuts, loose sides and misfires.
9. Temporary fences on public roads within 500 meters of blasting site at the time of blasting.
10. Moving & dangerous parts of machinery and.
11. Moving shafts, couplings and gears of machinery.
1. Top edge of open cast workings.
2. The toe of a rejection or spoil bank near buildings, public roads etc.
3. Storage tanks for water.
4. Top of abandoned quarries.
5. Top of trial pits and trenches.
6. Entrances to the site of an accident.
7. Around an ANFO mixing shed.
8. Entrances to dangerous places like overhangs, undercuts, loose sides and misfires.
9. Temporary fences on public roads within 500 meters of blasting site at the time of blasting.
10. Moving & dangerous parts of machinery and.
11. Moving shafts, couplings and gears of machinery.
List of Personal Protective Equipments used in the Mines:
1) Safety Helmets,
2) Eye Goggles,
3) Ear plug,
4) Dust Mask/Respirator,
5) Safety belt, Hand glues,
6) Leg guard, and
7) Safety Shoe.
1) Safety Helmets,
2) Eye Goggles,
3) Ear plug,
4) Dust Mask/Respirator,
5) Safety belt, Hand glues,
6) Leg guard, and
7) Safety Shoe.
Sources of dangers in opencast Mines working:
1. Under cut,
2. Overhang,
3. High bench and,
4. Loose boulders,
5. Drilling & Blasting,
6. Truck movement area and
7. Dumps are the places of danger in opencast mines.
1. Under cut,
2. Overhang,
3. High bench and,
4. Loose boulders,
5. Drilling & Blasting,
6. Truck movement area and
7. Dumps are the places of danger in opencast mines.
Notified diseases:
1. Silicosis,
2. Pneumoconiosis,
3. Manganese Poisoning (Nervous type),
4. Asbestosis,
5. Contact Dermatitis caused by direct contact with chemicals,
6. Noise Induced Hearing Loss,
7. Pathological manifestations due to Radium or Radioactive substances,
8. Cancer of lung or the stomach or pleura and peritoneum
1. Silicosis,
2. Pneumoconiosis,
3. Manganese Poisoning (Nervous type),
4. Asbestosis,
5. Contact Dermatitis caused by direct contact with chemicals,
6. Noise Induced Hearing Loss,
7. Pathological manifestations due to Radium or Radioactive substances,
8. Cancer of lung or the stomach or pleura and peritoneum
Noise Limits:
Warning limit: 85 dB(A) (safe for 8-hour exposure).
Danger limit: 90 dB(A) (risk of hearing loss).
Worker should not be allowed to enter: 115 dB(A) or MORE. (Immediate protection Required)
Single bursts requiring Personal protective equipment shall be worn: 130 dB(A) impulse or 120 dB(A) fast.
Maximum limit: 140 dB(A).
Warning limit: 85 dB(A) (safe for 8-hour exposure).
Danger limit: 90 dB(A) (risk of hearing loss).
Worker should not be allowed to enter: 115 dB(A) or MORE. (Immediate protection Required)
Single bursts requiring Personal protective equipment shall be worn: 130 dB(A) impulse or 120 dB(A) fast.
Maximum limit: 140 dB(A).
Noise Mapping:
Mandatory for workplaces using noisy equipment.
Based on personal noise dosimetry for workers exposed to levels above 85 dB(A).
Used to identify risk areas for noise management.
Mandatory for workplaces using noisy equipment.
Based on personal noise dosimetry for workers exposed to levels above 85 dB(A).
Used to identify risk areas for noise management.
Mining-statistical accident
An accident shall be termed as Mining-statistical if:
1. That occurred within the boundary of the mine and person(s) involved in the accident is employed in the mine and the accident occurred due to any mining operation, or by any equipment/machinery/apparatus deployed therein, or due to negligent or willful actions by a person, employed in the mine, that have endangered his life or the life of other person employed in the mine or negligently or willfully omit to do anything, necessary for safety of the persons employed therein.
and/or
2. That occurred within the boundary of the mine and person(s), employed in the mine, has/have gone in any part of the mine other than that part in which he/they work and involved in an accident due to any mining operation, or by any equipment/machinery/apparatus deployed therein, or due to negligent or willful actions by a person, employed in the mine, that have endangered his life or the life of other person employed in the mine or negligently or willfully omit to do anything, necessary for safety of the persons employed therein.
Mining-non statistical accident
An accident shall be called as Mining-non statistical if:
1. Person(s), not employed in the mine, is/are involved in an accident, occurred within the mine boundary, due to any mining operation, or by any equipment/machinery/apparatus deployed therein, or due to negligent or willful doing anything by a person, employed in the mine, that have endangered the life of person(s).
and/or
2. Any accident occurred due to any operation which is incidental to mining operation, in an area outside the boundary of the mine whether person(s) involved in the accident is/are employed in the mine or not.
Non-mining accident:
An accident shall be termed as Non-mining if
1. it occurs outside the boundary of the mine, whether person(s) involved in the accident is/are employed in the mine or not, due to any operation which is not incidental to mining operation. The consumer truck, transporting mineral, involved in an accident outside the boundary of the mine shall not be treated as an operation which is incidental to mining operation.
2. Any death due to natural cause shall also be termed as Non-mining accident.
An accident shall be termed as Mining-statistical if:
1. That occurred within the boundary of the mine and person(s) involved in the accident is employed in the mine and the accident occurred due to any mining operation, or by any equipment/machinery/apparatus deployed therein, or due to negligent or willful actions by a person, employed in the mine, that have endangered his life or the life of other person employed in the mine or negligently or willfully omit to do anything, necessary for safety of the persons employed therein.
and/or
2. That occurred within the boundary of the mine and person(s), employed in the mine, has/have gone in any part of the mine other than that part in which he/they work and involved in an accident due to any mining operation, or by any equipment/machinery/apparatus deployed therein, or due to negligent or willful actions by a person, employed in the mine, that have endangered his life or the life of other person employed in the mine or negligently or willfully omit to do anything, necessary for safety of the persons employed therein.
Mining-non statistical accident
An accident shall be called as Mining-non statistical if:
1. Person(s), not employed in the mine, is/are involved in an accident, occurred within the mine boundary, due to any mining operation, or by any equipment/machinery/apparatus deployed therein, or due to negligent or willful doing anything by a person, employed in the mine, that have endangered the life of person(s).
and/or
2. Any accident occurred due to any operation which is incidental to mining operation, in an area outside the boundary of the mine whether person(s) involved in the accident is/are employed in the mine or not.
Non-mining accident:
An accident shall be termed as Non-mining if
1. it occurs outside the boundary of the mine, whether person(s) involved in the accident is/are employed in the mine or not, due to any operation which is not incidental to mining operation. The consumer truck, transporting mineral, involved in an accident outside the boundary of the mine shall not be treated as an operation which is incidental to mining operation.
2. Any death due to natural cause shall also be termed as Non-mining accident.