SYLLABUS FOR EXAMINATION FOR FIRST CLASS MANAGER'S CERTIFICATE OF COMPETENCY
(Under Metalliferous Mines Regulations, 1961)
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:
- Wire ropes: Construction details, applications, mechanical properties, breaking load, factor of safety, bending factor, capacity factor, snap length, critical depth inspection; examination and discarding criteria; rope capping and splicing.
- Mine winders: Types and applications, components; shaft fitting; drums and sheaves; ropes and guides; drives and control systems; automatic contrivances; brakes; cage; skip; counterweight and suspension arrangement; duty cycle diagram; winder capacity and motor power calculations; equivalent mass of winder installation; safety devices; installation; examination and testing of winding equipment.
- Underground machinery: Pneumatic and hydraulic drilling hammers, jumbo drills, roof bolters, road headers, raise climbers; tunnel, raise, and shaft borers, LHDs, LPDTs, booster compressors, DTH and TH drilling machines.
Material handling equipment in mines:
- Types, construction, and operation; safety devices; maintenance and calculations for rope haulages; locomotives (tractive effort, drawbar pull, ideal gradient), conveyors, systems (belt conveyor, chain conveyor, cable belt conveyor, high angle conveyor, shiftable belt conveyor, pipe conveyor); scraper winches, aerial ropeways, man-riding systems; in-pit crushers, feeder breaker, etc.
- Mine cars, track design and layout; slope elevation; track fitting and safety appliances; self-acting inclines; ore handling plants; use of diesel equipment in underground mines.
Pumps:
- Characteristics, motor power, capacity and calculations, laying of water mains, dealing with acid water; slurry, drainage; lodgements, storage, designs and layout of dams, sumps, pumping problems.
Opencast machinery:
- Construction, function, and operation of blast hole drills, rippers, scrapers, shovels, draglines, dumpers, road graders, dozers, wheel loaders, bucket wheel excavators, spreaders; surface continuous miners and their maintenance aspects.
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 braking; earthing; flameproof enclosures; use of high voltage operational equipment in mines.
- Generation, transmission, and utilization of power, steam, electricity, and compressed air; air compressor and auxiliary equipment; air turbines and air engines; efficiency of power, electricity, and steam systems; safety aspects.
Automation in mines:
- Armchair mining (tele-operations of mining equipment).
Maintenance Systems:
- Monitoring and reporting tribology-corrosion, planned maintenance, preventive maintenance, breakdown maintenance systems in mines.
- Condition-based monitoring and related maintenance aspects.
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