MINE FOREMAN (UNRESTRICTED)

DGMS (OM / MS / FM / MATE / SURVEYOR) EXAM

MINE FOREMAN

Test

35 Tests

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OPENCAST MINING METHOD-I

Total Questions: 60 Questions | Time Duration: 60:00 Minutes

Opencast Mining: Opencast of deposits and preparation for excavation; box cut, types; selection of site; formation of production benches; ripping; types of rippers; concept of rippability and cycle of operation; drilling; blast hole drills; performance parameters; requirement of number of drills; blasting; blast design; factors influencing blast design; deep hold blasting; calculation of charge per hole; ground vibration; secondary blasting and problems of blasting side casting; environment friendly non-blasting techniques; safety aspects. Discontinuous/cyclic methods of excavation and transport; shovel dumper operation; applicability of electric shovel and hydraulic excavators; cycle time and productivity calculation; estimation of equipment fleet; dragline operation; side casting; side cast diagram; calculation of reach; cycle time; productivity calculation; bucket capacity requirement; scrappers; types; methods of work; push pull operation etc., bucket wheel excavator; operational methods (lateral block, half block and full block etc.,) productivity calculation; continuous surface miner; operational methods (wide/full base methods, wide/full bench, block mining, stepped cut, empty travel back, turn back and continuous mining methods); conveyors; shiftable and high angle conveyors; mode of operation etc;, OITDS (operator independent truck dispatch system); in-pit crushing and strip-mining; safety aspect.

OPENCAST MINING METHOD-II

Total Questions: 60 Questions | Time Duration: 60:00 Minutes

OPENCAST MINING METHOD-III

Total Questions: 50 Questions | Time Duration: 60:00 Minutes

EXPLOSIVE & BLASTING-I

Total Questions: 50 Questions | Time Duration: 60:00 Minutes

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.

Application of numerical modeling in mine design application of computers in mine design and

operational controls.

EXPLOSIVE & BLASTING-II

Total Questions: 60 Questions | Time Duration: 60:00 Minutes

Application of numerical modeling in mine design application of computers in mine design and

operational controls.

EXPLOSIVE & BLASTING-III

Total Questions: 60 Questions | Time Duration: 60:00 Minutes

Application of numerical modeling in mine design application of computers in mine design and

operational controls.

UNDERGROUND MINING METHODS

Total Questions: 60 Questions | Time Duration: 60:00 Minutes

Underground Mining Methods; Choice of methods of developments and stopping and factors affecting the same; statutory provisions.

Primary and secondary Development; Choice of level interval and back/block length; main haulage drifts and tunnels; high speed drifting; excavation and equipping of grizzly (conventional and mechanized), ore/waste bin, main ore-pass system, underground crushing, loading and hoisting stations, underground service chambers, sump and other subsidiary excavations.

Cross-cut and drifts; raises and winzes; ground breaking; mucking; ventilation and support; extension of track and other services; modern drilling and loading equipment; Alimark and Jora-lift raising, long-hole and vertical crater retreat (VCR) raising; Raise boring systems; mechanized winzing.

Stopping :- Classification, selection of stopping methods and applicability; slope layouts, stope preparation and production operation ground breaking, mucking, ventilation, supports, haulage and dumping; stopping of narrow and wide ore bodies; mining of parallel veins; open, supported, filled and caving methods; combined systems and special methods; underhand, overhand, breast, long-hole and raise, resuing, room & pillar, sublevel, large diameter blast hole (DTH), cascade, shrinkage, vertical crater retreat, horizontal cut and fill, square set, top slicing, sub-level caving, block caving methods, combined open room, shrinkage and cut-fill and subsequent filling systems; hydraulic, thermal, hydro chemical, bio chemical and nuclear device mining system; design and construction of draw points; mechanics of draw and draw control procedure; recovery and dilution; problems of deep mining and the remedial measure; design and layout of stopes in rock burst prone mines, mining sequence and rationale.

FOREMAN RES 29 DEC 2021

Total Questions: 99 Questions | Time Duration: 120:00 Minutes