Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 145 Questions | Time Duration: 180:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 150 Questions | Time Duration: 180:00 Minutes
Total Questions: 145 Questions | Time Duration: 180:00 Minutes
Total Questions: 96 Questions | Time Duration: 180:00 Minutes
Total Questions: 97 Questions | Time Duration: 180:00 Minutes
Total Questions: 58 Questions | Time Duration: 60:00 Minutes
Total Questions: 59 Questions | Time Duration: 60:00 Minutes
Total Questions: 60 Questions | Time Duration: 60:00 Minutes
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SYLLABUS FOR EXAMINATION FOR SECOND CLASS MANAGER'S CERTIFICATE OF COMPETENCY RESTRICTED TO MINES HAVING OPENCAST WORKING ONLY
(Under Metalliferous Mines Regulations, 1961)
WINNING AND WORKING
Geology:
Characteristics and classification of mineral deposits; exploration and delineation of the ore bodies; boring through disturbed strata; borehole survey; geological structures; folds, faults, fractures, fissures, etc.; interpretation of geological maps.
Opencast Mining:
Opencast of deposits; preparation for excavation; box cut, types; site selection; formation of benches; ripping; rippability; types of rippers; cycle of operation; drilling; blast hole drills; performance parameters; requirement of number of drills; blasting; blast design; factors influencing blast design; deep hole blasting; calculation of charge per hole; ground vibrations; secondary blasting and related problems; non-blasting techniques; safety aspects.
Methods of Excavation and Transport:
Shovel dumper operation; electric shovel and hydraulic excavators; cycle time and productivity calculation; estimation of equipment fleet; dragline operation; side casting; calculation of reach; cycle time; productivity calculation; bucket capacity requirement; scrappers; bucket wheel excavator; (lateral block, half block, and full block method, etc.); productivity calculation; continuous surface miner; operational methods (wide/full base, wide/full bench, block mining, stepped cut, empty travel back, turn back, and continuous mining methods); conveyors; shiftable and high-angle conveyors; in-pit crushing and strip mining; operator-independent truck dispatch system, safety aspect.
Application of concepts of Rock Mechanics for designing the methods of mining and strata control; design and stability of structures in rock; design of support and reinforcement for open pits; rock bolts, cable bolts; wire mesh; monitoring of rock mass performance, mechanics of rock fragmentation; slope stability; slope angle, benches, berms, factors affecting slope stability, dump stability; dump management.
Use and safe handling of explosives; blasting techniques and their relative efficiency; total cost concept safety precautions.
Sources of danger from water; precautions to prevent inundation; water dams; water danger plans.
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