Mine Ventilation Explosions Fire & Inundation

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DGMS Metal

SMU

Test

21 Tests

Attempts

3

Price

Rs. 1199
Validity shall be one year or till exam date
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Test is valid till DGMS FIRST/SECOND CLASS EXAM gets over + Three Months. User can submit each test three times i.e. three attempts. User can see submitted tests ques, answer & solutions as many times they want. There is no time boundation for attempting a test. User can give any test any time on laptop/desktop/mobile/tablet through website or mineportal app.

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Syllabus

SYLLABUS FOR EXAMINATION FOR SECOND CLASS MANAGER'S CERTIFICATE OF COMPETENCY
(Under Metalliferous Mines Regulations, 1961)
MINE VENTILATION, EXPLOSIVES, FIRES AND INUNDATION

  • Composition of mine atmosphere: Mine gases; generation, properties and effects; sampling and analysis of mine air; flame safety lamp; monitoring of different gases; inflammability of fire damp.

  • Flame safety lamps: Design; use and maintenance; testing of safety lamps; lamp house and organization.

  • Heat and humidity: Sources of heat in mines; geothermal gradient; effects of heat and humidity; heat transfer in mines airways and stopes; methods of calculation of heat flow and temperature rise; heat load due to various machines; air cooling and conditioning.

  • Air flow in mines: Laws of air flow; resistance of airways; resistance and splitting problems; equivalent orifice; flow control devices; permissible air velocities.

  • Natural ventilation: Seasonal variations; calculation of natural ventilation pressure.

  • Mechanical ventilation: Mechanical ventilators; characteristics and selection, testing and output control; fans in series and parallel; reversal of air flow; fan drift, diffuser and evasee; booster and auxiliary fans; standards of ventilation; ventilation calculation.

  • Ventilation planning: Ventilation layout; determination of size of shafts and airways; estimation of air quantity requirements; ventilation network analysis; thermodynamic network analysis and computer application; estimation of pressure requirement; ventilation survey; ventilation plans.

  • Airborne dust: Generation, dispersion, measurement and control; suppression and treatment of mine dust; sampling and analysis of mine dust.

  • Mine fires: Types; causes; detection; prevention and control of mine fires; spontaneous heating; dealing with mine fires; sealing off fire-areas, build-up of extinctive atmosphere; fire fighting organization; reopening of sealed off fire areas.

  • Firedamp and sulphide dust explosion: Cause and prevention; stone dust barrier; water barrier and other methods.

  • Inundation: Causes and prevention; precautions and techniques of approaching old water logged workings; safety boring apparatus; pattern of hole; design and construction of water dams; water lodgements water danger plan.

  • Recovery of mine after explosion, fires and inundation: Investigation after the same; rescue and recovery in mines; rescue apparatus; organization of rescue work; emergency preparedness and response system.

  • Illumination: Cap lamps, layout and organization of lamp rooms; standards of illumination; photometry and illumination survey.

  • Recent development in mine ventilation.



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