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MINING TECHNOLOGY ‘A’
Site selection techniques, Modes of entry to underground mines, Shaft sinking methods and techniques, Drilling techniques. Explosives used in mines. Detonators, Blasting Practices in underground mining, Blasting Practices in opencast mining. Blasting equipments and accessories. Precautions in blasting operations. Mining methods of underground metalliferous and coal mines. Methods of opencast mining. Types and techniques of roof support. Water management in mines. Mine lighting techniques. Transportation in underground and opencast mines. Machines and equipment in underground and opencast mines -Their characteristic features and applicability. Stowing methods. Mine subsidence.
MINE SURVEYING ‘A’
Principles of Surveying. Distance measurement techniques. Chain surveying. Compass surveying, Plane table surveying. Computation of areas and volumes. Surveying with Miner’s Dial. Underground surveying – Transfer of survey stations from roof to floor to roof. Marking of center line in underground locations.
MINE SURVEYING ‘B’
Levelling techniques and instruments. Contouring techniques. Subsidence survey – lateral and vertical displacement calculations.
MINE SURVEYING METHODS
Surveying methods with theodolite, details of Theodolite instrument. Bore hole surveying – dip, strike and bore hole problems. Curve fitting, Super elevation. Stope surveying. Correlation surveying.
MINE MANAGEMENT AND LEGISLATION
Principles of Scientific management, Managerial function in mines – work study, Time study, Motion study, Planning, Organizing, Staffing, Direction. Control, classification of accidents, Causes of accidents. Safety aspects in mining. Important provisions related with mine safety and management. Mine Acts, Mines Rules. Coal and Metalliferous Mines Regulations. Legislation of Madhya Pradesh state pertaining to grant of mining lease and royalty on minerals. Functions of Mineral Resources Department. Government of Madhya Pradesh.
MINE ENVIRONMENT ENGINEERING
Properties of gases found in underground mines. Techniques for detection of mine damps. Construction and application of flame safety lamps. Causes, prevention and control of subsurface mine fires. Spontaneous heating, Incubation period. Causes and precautions against fire damp explosion and coal dust explosion. Coward’s diagram. Mine rescue apparatus and operations.
MINE VENTILATION ENGINEERING
Natural ventilation. NVP. Mechanical ventilation – Axial flow fans. Centrifugal fans. Forcing fans. Exhaust fans. Auxiliary fans, Booster fans. Ventilation devices. Air-crossing. Spitting of mine air. Standards of ventilation. Laws of air flow in groundwater mines. Ventilation survey.