NCL Coal India Limited (CIL) Technician Syllabus 2025 Download

Northern Coalfields Limited (NCL)

NCL Coal India Limited (CIL) Technician Syllabus 2025 Download

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Important Dates

• Application Start: 17/04/2025
• Application End: 10/05/2025 
• Last Date Exam Fee: 10/05/2025 
• Exam Date: Coming Soon
• Admit Card: Coming Soon
• Result Available: Coming Soon

Application Fee

• General/ OBC/ EWS/Other State: 1180/-
• SC/ST/PH: 0/-
• Exam Fee Payment Throup UPI, Debit Card Or Credit Card, Net Banking Only.

The Selection Process Of NCL Coal India Limited (CIL) Technician Vacancies 2025 Are As Follows:-

•  Computer Based Test (CBT)
• Document Verification
• For More Information Read the Notification.

No Negative Marking

NCL Coal India Limited (CIL) Technician Syllabus 2025

The Syllabus Of NCL Coal India Limited (CIL) Technician Vacancies 2025 Are As Follows:-

Section A – Technical Knowledge (1 Mark Each) – 70 Questions (70 Marks)

(For Fitter Trainee Post)

1. Basic Mathematics and Applied Science

• Arithmetic calculations (addition, subtraction, multiplication, division)
• Basic Algebra (formulas, linear equations)
• Trigonometry (sin, cos, tan basics)
• Basic Statistics (mean, median, mode, standard deviation)
• System of Units (SI Units, conversions)

2. Basics of Electricity (10th Standard Level)

• Current, Voltage, Resistance, Power formulas
• Series and parallel circuits

3. Properties of Materials

• Types of materials: Metals, Non-metals, Properties like strength, toughness, elasticity

4. Workshop Practice

• Jigs and fixtures: Basics and types
• Drilling, machining processes (lathe, milling, grinding principles)

5. Mechanical Systems

• Pipe fittings (threaded joints, couplings)
• Belt drives (open and crossed belts)
• Gear trains (simple, compound)

6. Measuring Instruments

• Vernier caliper, Micrometer, Dial gauge
• Surface plates, Angle plates
• Machining Tools and principles

7. Limits, Fits, and Tolerances

• Concepts of tolerance, clearance fit, interference fit

8. Industrial Safety

• Workplace safety rules
• Fire extinguisher types and usage
• Personal Protective Equipment (PPE)

9. Basic Automobile Knowledge

• Internal Combustion Engine (I.C. Engine) fundamentals
• Vehicle maintenance basics

(For Electrician Trainee Post)

1. Electrical Fundamentals

• Ohm’s Law, Kirchhoff’s Laws
• Series & Parallel resistors, capacitors
• Batteries – Primary & Secondary (Lead Acid, Hybrid)

2. Magnetic Circuits

• Magnetic terminology
• Electromagnetic induction (Faraday’s laws, Fleming’s rules)
• B-H Curve, Capacitors, RLC circuits

3. DC Generators and Motors

• Working principle, types, EMF equation
• Characteristics, applications
• Starters (3-point, 4-point)

4. Power Concepts

• Active and Reactive Power
• Power Factor and its improvement
• APFC panels

5. Transformers

• Construction and working
• Types of transformers (Auto, CT, PT, Welding)
• Losses and cooling methods

6. Measuring Instruments

• PMMC, MI meters
• Megger, Multimeter, Energy meters
• Lighting types: CFL, LED, HPSV, HPMV

7. Semiconductor Devices

• Diodes, Zener diode
• Rectifiers and filters

8. AC Motors

• Squirrel cage and Wound rotor Induction Motors
• Starters: DOL, Star Delta
• Torque-speed characteristics

9. Synchronous Motor

• Working principle, starting methods
• V-curves

10. Electrical Wiring and Safety

• Domestic and industrial wiring layouts
• Earthing methods
• I.E. rules, Electrical codes, Circuit Breakers (MCB, MCCB, RCCB)

11. Power Plants and Energy Sources

• Thermal Power Plant basics
• Wind and Solar Energy Basics

12. Electrical Substations

• Single Line Diagrams (SLD)
• Overhead transmission lines
• Protective relays, circuit breakers

(For Welder Trainee Post)

1. Welding Fundamentals

• First Aid in welding
• Safety precautions
• Arc and Gas Welding Equipment

2. Basic Electricity for Welding

• Electrical terms
• Arc welding principle
• Oxy-acetylene flame chemistry

3. Welding Power Sources

• AC and DC welding machines
• Inverter welding machines

4. Welding Positions and Symbols

• EN & ASME standards: Flat, Vertical, Overhead
• Welding symbols (BIS & AWS)

5. Gas Welding and Cutting

• Oxy-acetylene cutting equipment
• Gas properties and safety devices (Flashback arrestors)

6. Electrode Details

• Types, Storage, Coding (BIS & AWS standards)

7. Metallurgy and Weldability

• Pre-heating, Post-heating
• Welding of different steels, Stainless steel, Copper, Aluminium

8. Pipe Welding

• Pipe joints (Elbow, T-joint, Branch joint)
• Manifold systems

Section B – General Knowledge, Reasoning, Quant, Verbal Ability (1 Mark Each) – 30 Questions (30 Marks)

1. General Knowledge: India and World Affairs, International Relations, Indian Constitution, Indian Polity, Science Facts.
2. General Awareness: Sports, Defence, Awards & Prizes, Indian Democracy
3. Reasoning & Verbal Ability: Synonyms/Antonyms, Relationships, English/Hindi Grammar, Logical Thinking.
4. Quantitative Aptitude: Work and Time, Profit and Loss, Time-Speed-Distance, Basic Arithmetic.

• For More Information, Read the Notification.

How to Apply For the NCL Coal India Limited (CIL) Technician Vacancies 2025

1. Read the Notification: Carefully read the official notification For The Post NCL Coal India Limited (CIL) Technician Vacancies 2025 and requirements.
2. Click on Apply Online: Click On Apply Online, Which Is given Below.
3. Register/ Login: Candidate Register yourself with accurate details or log in if already registered.
4. Fill the Application Form: Fill The Application Form such as your name, education, contact info, Which Match With Your Aadhar Card Or Marksheet.
5. Upload Documents: Candidate Must Upload Your Latest photo, signature.
6. Pay Exam Fee: Complete the payment After Filling The Application After Recheck.
7. Submit the Form: Review everything and submit your application.
8. Print Application: After successful submission, download and print a copy of your form for Exam.

Best of Luck!