NCL Syllabus and Exam Pattern 2022
By On December 25th, 2022
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NCL Syllabus 2022 PDF & Exam Pattern NCL Syllabus 2022 NCL Syllabus PDF in Hindi Download  – अगर आप NCL Exam की तैयारी कर रहे हो तो पोस्ट आपके लिए अति महत्वपूर्ण है | इस आर्टिकल में NCL के सिलेबस के बारे में जानकारी दी गई है| साथ ही आप नीचे दी गई लिंक के द्वारा Pdf डाउनलोड कर  सकते है वे उम्मीदवार जिन्होंने इसका ऑनलाइन आवेदन किया है उनके लिए निवनतम एग्जाम पैटर्न दिया गया है जो आपके लिए तैयारी करने में काम आएगा।( NCL Syllabus 2022 & Exam Pattern PDF Download )

NCL Syllabus 2022 PDF Download in Hindi

Board Name Northern Coalfields Limited(NCL)
Post Name Mining Sirdar T&S Gr. C’ and Surveyor (Mining) T&S Gr. B’
Official Website
Category Latest Syllabus
Exam Date Update soon

NCL Selection Process:- 

  • Online examination
  • Interview
  • Documents Verification

NCL Exam Pattern :-

Section  Questions Marks Time Duration
Section A 

Technical knowledge (Discipline related)

70 70 90 minutes duration
Section B 30 30
General Knowledge
General Awareness
Verbal & Mental Ability
Quantitative Aptitude
Total 100 Questions 100 Marks


NCL Topic Wise Syllabus:- 

Part A

Electrical Fundamentals: Ohm’s Law, Kirchhoff’s Laws, Series & Parallel combination of Resistors, Inductors & Capacitors. Wheatstone bridge, PVC wires, Conductors & cables. Wire joints, Soldering, Heating, lighting, magnetic & chemical effect of electric current.Joule’s law.Electrolysis & its laws. Cells and Batteries- Primary & secondary cell, Lead Acid battery, Hybrid cell, Alkaline cell. Charging of battery. Care & Maintenance of Battery.

Attempt Northern Coalfields Limited Fitter free mock test to get the feel of real exam experience.

Magnetic Circuits: Terminology used in the magnetic circuit, Principle of the electromagnet, Capacitor & its types. Faraday’s laws of Electromagnetic Induction.Fleming’s rule, B-H Curve.RLC circuit –series & parallel resonance.

DC Generators: Working Principle, Type series, Shunt, and Compound Generator. EMF equation, characteristics, communication, efficiency, regulation, and application.

DC Motors: Principle, Types- Series, Shunt & Compound Motors. Characteristics curve, commutation.Applications of DC motors. The necessity of starter, Working of starters (3 points & 4 points). Speed control of DC Shunt motor (armature & Field control). Troubleshooting –Care and maintenance.

Active & Reactive Power: Calculation for Work, Power & Energy, Power factor.Causes & effects of low power factor. Methods of Improving power factor. Calculation of capacitor banks.Automatic power factor correction (APFC) Panels. Three-phase three wires & three phases four wires system. Three-phase Power.

Transformers: Working Principle, Construction. Classification of Transformers, EMF equation, rating, Loading, Losses & Efficiency Regulation, Parallel Operation, Cooling methods, Transformer oil testing. Care and maintenance, Protective devices. Tap Changer –ON load and OFF load. Autotransformer, Instrument Transformer- CT & PT, Welding Transformer.

Measuring Instruments: PMMC, MI Meters working principle, and construction. Digital meters.Megger Earth tester, Multimeter.Calibrations of meters. The terminology used in Illumination and calculations. Types of Lamps-Incandescent Lamp and Discharge Lampfluorescent, HPMV, HPSV Lamps. Drum Switch, Lighting calculations, Energy-efficient lighting systems (CFL, LED, etc.), Two wattmeter methods of 3 phase power measurement.

Semiconductor Devices: Diodes, Characteristics, Zener diode, Rectifiers & filter circuits.

Squirrel Cage & Wound Rotor type Induction Motor: Construction, parts, working principle, Concept of rotating magnetic field, Applications. Types of starters-DOL, Star delta, Autotransformer starter, etc.Rotor resistance type starter. Introduction to Speed control of 3 phase Induction motor. Torque- speed characteristics. Losses, efficiency, Classification, Working Principle & uses.AC Motor stator Rewinding.Single-phase & Three-phase winding development diagram

Synchronous Motor: Construction, Working Principle, Starting Method. Effect of change of excitation on load. V-curve and Inverted V -curve. Power factor correction.

Electrical Drives: DC drive. AC drive. Preventive Break down Maintenance of DC / AC machines, Voltage stabilizer, UPS, Inverter.

Basics of Wiring: Power & control circuits wiring. Machine control cabinet /control panel layout, assembly. Control elements- Push button switches, contactor, overload relay, etc. Concept of neutral and earth.Earthing, types, methods of reducing earth resistance, Earth tester.Star & Delta connections.Concept-Principle of plan estimation and cost-preparation of wiring layout domestic/Industrial/Commercial. I.E rules for multi-storeyed buildings. National Electrical Code, SWG, common electrical Accessories – MCB, ELCB, MCCB, RCCB etc. Comparison of different types of wirings. Installation, Testing methods – Wiring estimations & cost.

Basics of Thermal Power: Plant layout, components, and working principle of the thermal power plant.

Non-conventional energy resources: Working principle of Wind and solar power generation.

Electrical Substation: Single Line Diagram of Substations. Electric supply system EHVAC transmission. Advantages of high voltage transmission Overhead lines: – Poles& Towers, bushings, Insulators & its types. Corona effect, Bundle conductors, Sag, Skin effect&Ferranti effect. Fault studies. 3 phase service- cable fault. Sub- Station HT/LT –Function, equipment, types of the distribution system. Protective relays- overcurrent, IDMT, overvoltage, differential, distance relay. Circuit breakers-lightning arrestor used in HT line. Cable- different types of cables, cable rating, derating factor. Fire Fighting, Safely handling Tools & Equipment, Rescue of person who is in contact with a live wire, Treat a person for electric shock/ injury.


Important Links
NCL Syllabus 2022 Download PDF
Official Website
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