Details

Syllabus of E&M Discipline

1. Fundamental of Electrical Engineering

A. Basic Laws of Electrical Engineering (Ohm's Law).

B. Basic Unit of Electrical Engineering (Volt, Amp, Watt, Kwh, Ohm, Farad).

C. Measurement of Voltage, Current, Power, Energy and Measuring Tools for the

same.

D. Electrical Symbols and Plan under Mines Act.

2. Transformers:

Basic Principle, Components, Types and Application, Transformer Losses,

Cooling Types and Efficiency, FLP Transwithces, Transformer Protections.

3. Generators / Motors:

Induction Motors: Squirrel Cage Induction Motor, Slip Ring Induction Motor, Motor

Starters, Speed Control of Motors and Suitable Application of Motors, Induction

Motors, Troubleshooting and Maintenance of Motors.

4. Cables: Construction of Armoured and Flexible Trailing Cables and Its

Application in Underground and OC Mines, Cable Jointing. Selection of Cables.

5. Transmission & Distributing (upto HT i.e. 33 KV): Conductor Type, Various

Types of Poles, Earthing of Overhead Lines, Insulators, Lightning Arrestors,

Maintenance of Overhead Lines.

6. Electrical Earthing: Earthing System, Earth Electrodes, Earthing of Appliances,

Measurement of Earth Resistance.

7. Protective Device & Protection : Fuses (Rewirable, HRC), Circuit Breakers

(MCCB, MCB, ACB, VCB, SF6) and Relays , Underground Gate-End -Box, FLP

Circuit Breaker, Field Switches, Unitized Substation For OCPs , Over Load, Earth

Leakage, Short Circuit and Under Voltage Protection.

8. Illumination System: Type of Lamps, Underground Lighting System.

9. Power Supply: Substation - Surface & Underground, Power Supply To

Underground and OCP Mines, Maximum Demand, Power Factor and Its

Improvement.

10. FLP and Intrinsically Safe Apparatus, Cap Lamp, Battery Charger, Signaling

Equipment

11. Treatment of Electric Shock and Artificial Respiration, Mines Safety and First Aid.

12. Energy Conservation: Use of Energy Efficient Lamp , Renovation of Piping

System, Use of Higher Voltage Nearer To Coal Face , Installation of Capacitor

Bank For PF Improvement, Selection of Adequate Size of Motors,

Replacement of ’O’ Ring, Seal Kit, Hydraulic Hoses to Arrest Leakage of

Diesel, Periodical Maintenance of Engine - Filter, Hoses - Tyre Pressure,etc.

13. Basic Computer Awareness and Its Applications.

14. IE Rules, Measuring and Monitoring Instruments/Gauzes Used For

Mechanical Items.

15. Underground Face Machinery: PSLW Packages With Shearer / Support / AFC

Etc. Continuous Miner Packages With Shuttle Car, Roof Bolting Machine and

Feeder Breakers, Load Haul Dumper/ Side Discharge Loader, Universal

Drilling Machine, Man Riding System/ Coal Drill.

16. Mine Transport:

a. Belt Conveyer/Chain Conveyer/Haulages.

b. Winders - Winding Engine and Its Suspension Gear, Automatic

Contrivances.

c. Roof Support: Hydraulic Props, Roof Bolting.

17. Mine Pumps: Types of Pumps, its Application and Pipe Fitting, Maintenance.

Selection of pump.

18. Ventilation Fan: Types, Application and Maintenance.

19. Lubrication and Lubricants.

20. Gear Boxes: Daily/Periodical Maintenance of Gear Boxes.

21. Coal Handling: Coal Handling Plant and It Maintenance, Welding: Gas and

Electrical Welding, Electrodes For Welding,

22. Coal Mines Regulation: Regulation No.33, 38-57, 71-86, 87-97, 181-186.

23. Safety Aspects in Underground Mining Operation In Respect of DGMS

Guidelines.

24. Routine Maintenance and Breakdown Maintenance of Equipment.