Ventilation - Metal(FMC-UR)

QUALIFICATION

INSTRUCTIONS

• NAME- Name in the registration form should be same as in the SSC/MATRICULATION/10th CLASS CERTIFICATE.
• GENDER- Mark the appropriate gender as per your category.
• DATE OF BIRTH- Select the Date of Birth as per the government documents.
• ADDRESS- Write the correct and complete postal mailing address with appropriate PINCODE.
• E-MAIL and MOBILE NO.- Write the correct and active e-mail id and mobile no. During registration, OTP will be sent on you registered e-mail and mobile number.
• PHOTO and SIGNATURE UPLOAD- Make sure you read the instructions properly and follow the correct size and format to update the photos and signature.
• ACKNOWLEDGEMENT- Remember to save the pdf copy of acknowledgement for future purpose.
• DOCUMENTS- Aspirants are advised to keep the scanned copy of photograph (size: 200kb) and signature (size: 200kb) before starting the registration process.
• PAYMENT- Make sure to read instructions properly before making the payment.

SYLLABUS

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; in flammability of fire damp; fire damp explosions.

Flame safety lamps and their design; use and maintenance; testing of safety lamps; lamp house and organization.

Heat and Humidity: - Sources of heat in mines; geothermal gradient; heat flow in deep mines; effects of heat and humidity; psychometrics; computation of thermodynamic properties of mine air; basic modes of heat transfer in mines; methods of calculation of heat flow and temperature rise in mine airways; heat and moisture transfer in stopes; Computation of heat load due to various machines in development working and stopes e.g. drills, road headers/tunnel bores, LHDs, low profile dumpers locomotives, lump breakers, crushers, belt conveyors underground sub-stations, etc. , 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; thermodynamic principles and other short-cut methods.

Mechanical Ventilation: - Theory of different fans; characteristics and suitability of fan; selection, testing and output control; fans in series and parallel; reversal of air flow; fan drift, diffuser and evasee; booster and auxiliary fans; ventilation of heading and sinking shafts; standards of ventilation; ventilation calculation.

Ventilation Planning: - Ventilation layout; determination of size of shafts and airways; estimation of air quantity requirements; ventilation network analysis; Hardy Cross methods of iterative analysis and application of linear theory; thermodynamic network analysis and computer application; application of numerical modelling; estimation of pressure requirement; ventilation survey; ventilation plans.

Airbone 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; firefighting 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 working; 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 and 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; use of numerical modelling in ventilation planning. Risk Assessment and analysis with reference to mine environment, management of environmental risks.