Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech IV MINE HEALTH AND SAFETY ENGINEERING Previous Question Paper (July - 2019 - R15)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
Part A
Define the term accident.
Answer
An accident is an unplanned, unexpected, and uncontrolled event that results in personal injury, loss of life, damage to property, or interruption of work processes within the mining environment.
Explain briefly about accidents in coal mining industry.
Answer
Accidents in the coal mining industry are primarily associated with the hazardous nature of underground operations, including roof falls, side falls, explosions due to methane or coal dust, inundation, and transport-related incidents. These events are often driven by complex geological conditions, high pressure, and the presence of flammable gases, necessitating stringent safety protocols and continuous monitoring.
Name few causes of accidents in open cast mines.
Answer
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Explain briefly the benefits of statistical analysis of accidents in mines.
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Name techniques commonly used in safety analysis.
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What are the concepts of system engineering?
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What is risk management? Why it is required?
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What is FTA?
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What are the purposes of training of workmen in mining industry?
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Explain briefly the factors to be considered for framing safety policy for a mining company?
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Part B
Explain in detail about accidents in Indian metalliferous mines, with suitable examples?
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What are the factors to be considered to prevent accidents in mines? Explain them in detail.
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What are the causes of accidents in underground metal mines due to explosives and blasting? Suggest suitable measures to prevent such accidents.
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Explain how an accident enquiry report is prepared for an accident due to fall of roof and sides in an underground coal mine. Assume relevant data, wherever necessary.
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What is system engineering approach to safety in mines? Explain in detail, with suitable examples.
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What is loss control? Explain in detail, with respect to safety in mines.
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Explain in detail how risk analysis is done by FTA (Fault Tree Analysis), with suitable examples.
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Write short notes on
Health risk assessment in mines.
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Risk minimization techniques in mines.
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What is human behavioral approach to safety in mines? Explain in detail, with suitable examples.
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What is safety audit? Explain in detail how it is carried out in a large coal mining company producing 50 Mt per year. Assume relevant data, wherever necessary.
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