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SCR-MINE MACHINERY DGMS EXAM SYLLABIS

SYLLABUS FOR THE EXAMINATION FOR SECOND CLASS MANAGER’S CERTIFICATE OF COMPETENCY RESTRICTED TO COAL MINES HAVING
OPENCAST WORKING ONLY
(UNDER COAL MINES REGULATIONS, 2017)

MINING MACHINERY

Strength of materials; Applied mechanics; Fluid mechanics.

Theory of Machines: Machine design, different types of gears and drives, bearing, collars and joints, brakes and friction clutches, governors.

Heat engines: General outline of working principles of steam generators and auxiliary equipment, condensing plant, reciprocating steam engines, turbines, internal combustion engines, conduct of gas, oil and steam engine trial; mechanical efficiency of engines, measurement of indicated and brake horsepower.

Machine tools and workshop processes

Material handling equipment in mines: Types, construction and operation; safety devices; maintenance and calculations for rope haulages; locomotives (tractive effort, draw bar pull, ideal gradient), conveyors, systems (belt conveyor, chain conveyor, cable belt conveyor, high angle conveyor, shiftable belt conveyor, pipe conveyor); scraper winches, aerial rope-ways, communication equipment, in-pit crushers, feeder breaker etc., EOT cranes (electric overhead travel) and other cranes, hydraulic lifter, tyre handler, track design and layout, super elevation; track fitting and safety appliances, self-acting inclines, coal handling plants; rail wagon loading; plants, laying of water mains, dealing with acid water, drainage; lodgements .
Opencast machinery (electric and hydraulic):Constructions, function and operation of blast hole drills, rippers, scrapers, shovels; draglines, dumpers, road graders, dozers, wheel loaders;; spreaders; surface continuous miners, rock breakers and their maintenance aspects, water-trucks, In-pit crushing conveying (IPCC), Bucket wheel excavator.
Mine electrical engineering: Transmission and distribution of electrical power in mines; radial and ring main distribution; sub-station arrangements; short transmission lines; cables; switch gears and protective devices; protective relays; circuit breakers; gate-end box; drill panel; field switch; transwitch; symmetrical fault and circuit breaker rating; mine signaling; power economics, industrial tariffs; power factor improvement; electrical drives and semiconductor controllers; selection of motors and starters; semiconductor devices; principles of operation of thyristor controlled variable speed electrical drives; electrical breaking; earthing; use of high voltage operational equipment in mines.

Generation, transmission and utilization of power, steam, electricity and compressed air in mines; safety aspects.

Automation in mines:- Armchair mining (tele-operations of mining equipments)

Preventive, periodical and total maintenance systems in mines.

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