NCL Assistant Foreman Syllabus 2026 and Exam Pattern, Syllabus Topics

Northern Coalfield Limited (NCL) has released a notification to recruit 270 vacancies for the post of Assistant Foreman Trainee. Interested candidates who want to apply for the NCL Assistant Foreman Exam should have proper knowledge about the NCL Assistant Foreman Syllabus 2026 and Exam Pattern before starting the preparation. In this article, we discuss in detail the syllabus and exam pattern.

NCL Assistant Foreman Syllabus and Exam Pattern 2026

Knowing the subject-wise syllabus of the NCL Assistant Foreman Exam 2026 provides proper knowledge to the candidates about what to study and what to skip. With the proper knowledge of the syllabus, candidates can start their preparation accordingly.

NCL Recruitment 2026 Notification Out for 270 Vacancies – Click to Check

NCL Assistant Foreman Exam Pattern 2026

Candidates who are going to appear in the NCL Exam 2026 for the Assistant Foreman position must have a proper understanding of the exam pattern. Through the exam pattern, candidates can get the detailed information about the total number of questions, the marking scheme, and the exam duration.

1. The paper will consist of 100 questions in the form of MCQs.
2. The question paper will include two sections: Section A for Technical Knowledge and Section B for General Aptitude subjects.
3. Each correct question will be awarded 1 mark.
4. There is no negative marking in this exam
5. The total time duration of this exam is 90 minutes

NCL Syllabus 2026

The Subject-wise Syllabus for the NCL Assistant Foreman is provided below. Candidates are advised to go through the syllabus to make their preparation effectively.

NCL Assistant Foreman (E & T) Syllabus

1. Network Theory

Basic Network Theory, Nodal and Mesh analysis, Network Theorem, Superposition Theorem, Maximum Power Transfer Theorem, Time domain analysis of simple linear circuits, Frequency domain analysis of RLC circuits. Two-port network parameter, Graph Theory.

2. Digital Electronics

Number systems, Code converters: BCD, Binary, Octal, other codes, and Combinatorial Circuits. Boolean algebra. Karnaugh map. CMOS implementations. Arithmetic Circuits. Multiplexers. Encoders & Decoders. Sequential circuits- latches and all flip-flops, counters, and shift registers. Data converters- ADC and DAC.

3. Semiconductor Memories

ROM, SRAM, DRAM

4. Microprocessor

Architecture, all instructions, Programming memory.

5. Signal and System

Signal Operation- Time Shifting, Scaling, & Reversal. System- Linear, causality,
stability. Fourier series and Fourier transform representations, sampling theorem.
Discrete-Time signals discrete-time Fourier transform, DFT (Discrete Fourier
transform), FFT, and Z- transform. LTI systems- Properties, frequency response, group
delay, phase delay.

6. Electronics Device Circuits

Energy bands in intrinsic and extrinsic silicon. Carrier transport- diffusion current,
Drift current, Mobility and Resistivity, Diffusion constant, Generation and
recombination of carriers. Diode, BJT (Bipolar Junction Transistor). P-N junction
Transistor, Zener diode, MOSFET, LED (Light Emitting Diode), a photodiode and
a solar cell. Thyristor (SCR), Triac Diode, GTO, an IGBT, DC to DC conversion,
Rectifier, Chopper.

7. Analogue Electronics

BJT (Bipolar Junction Transistor), and MOSFETs, Simple diode circuits- clipping,
clamping, and rectifiers. BJT and MOSFET amplifiers- multi-stage, differential,
feedback, power and operational, Operational Amplifier circuits, Active filters.
Oscillators- criterion for oscillation, RC Phase Shift, using transistor and FET, Wein
bridge, Clapp’s, Colpitts oscillator only Formula. Function generators, wave-shaping
circuits and 555 timers, Voltage reference circuits, Power supplies- ripple removal and
regulation. Cathode Ray Oscilloscopes (CRT), Multimeters, and Digital voltmeters.

8. Control System

Basic control system, Transfer function meson’s formula, Block diagram
representation, Signal flow graph. Transient and steady-state analysis of LTI systems: First and Second Order Systems. Frequency response- Routh-Hurwitz criterion, Polar
Plot analysis and Nyquist.

9. Analogue Communication System

Amplitude modulation and demodulation for Sinusoidal, Rectangular and Triangular
Signal, Angle modulation(Frequency and Phase Modulation) and demodulation, AM
and FM Spectrum Analysis, super heterodyne receivers.

10. Digital Communication

PCM (Pulse Code Modulation), DPCM (Delta Pulse Code Modulation), and digital
modulation schemes. Bandwidth Calculation, SNR (Signal to Noise ratio), and
BER/Probability error for digital modulation, Fundamentals of error correction,
Hamming codes, Inter-symbol interference. Basics of TDMA. FDMA and CDMA
(Code-division Multiple access). Information theory- Entropy, mutual information and
channel capacity theorem.

11 Electromagnetics

Electrostatics, Maxwell’s equations, wave equation, Poynting theorem & vector. Plane
waves- Reflection and refraction, polarization, phase, group velocity, and calculation
of skin depth. Transmission lines- Equations, characteristic impedance, impedance
matching. impedance transformation, S-parameters, Smith chart. Waveguides- Basic of
Waveguides

12. Antennas

Basic Concept, Definition, Types of Antenna, radiation pattern, gain, and
directivity return loss etc.

13. Computer Networking

Network features-Network topologies, protocols- TCP/IP, UDP, FTP, models, types,
network components, network media, specifications and standards, types of cables,
UTP, STP, Coaxial cables. Network components like a hub, an Ethernet switch, router, NIC
Cards, connectors, media and firewall. Difference between PC & Server.

14. Voice Communication

Telephone instruments and signals: Introduction, the subscriber loop, standard
telephone set, basic call procedure, cordless telephones, and electronic telephones.
Telephone circuit: Introduction, the local subscriber loop, channel noise and units of
power measurements. transmission parameters, voice frequency circuit arrangements.
Public telephone network: Transmission system, public telephone network, automated
central office switches and exchanges, telephone switching hierarchy, common channel
signalling system.

Assistant Foreman (Mechanical) Syllabus

1. Theory of Machines and Machine Design: Concept of simple machine, Four-bar linkage
   and link motion, Flywheels and fluctuation of energy, Power transmission by belts (V-belts and Flat belts, Clutches – Plate and Conical clutch, Gears – Type of gears, gear profile and gear ratio calculation, Governors – Principles and classification, Riveted joint, Cams, Bearings, Friction in collars and pivots.
2. Engineering Mechanics and Strength of Materials: Equilibrium of Forces, Law of motion, Friction, Concepts of stress and strain, Elastic limit and elastic constants, Bending moments and shear force diagram, Stress in composite bars, Torsion of circular shafts, Buckling of columns – Euler’s and Rankin’s theories, Thin-walled pressure vessels.
3. Thermal Engineering Properties of Pure Substances: p-v & P-T diagrams of pure substances like H2O, Introduction of steam table with respect to steam generation process; definition of saturation, wet & superheated status. Definition of dryness fraction of steam, degree of superheat of steam. H-s chart of steam (Mollier’s Chart). 1st Law of Thermodynamics: Definition of stored energy & internal energy, 1st Law of Thermodynamics of cyclic process, Non Flow Energy Equation, Flow Energy & Definition of Enthalpy, Conditions for Steady State Steady Flow; Steady State Steady Flow Energy Equation.
4. Air standard Cycles for IC engines: Otto cycle; plot on P-V, T-S Planes; Thermal Efficiency. Diesel Cycle; Plot on P-V, T-S planes; Thermal efficiency. IC Engine Performance, IC Engine Combustion, IC Engine Cooling & Lubrication. Rankine cycle of steam: Simple Rankine cycle plot on P-V, T-S, h-s planes, Rankine cycle efficiency with & without pump work.
5. Boilers; Classification; Specification; Fittings & Accessories : Fire Tube & Water Tube Boilers. Air Compressors & their cycles; Refrigeration cycles; Principle of a Refrigeration Plant; Nozzles & Steam Turbines.
6. Fluid Mechanics & Machinery Properties & Classification of Fluid: ideal & real fluids,
   Newton’s law of viscosity, Newtonian and Non-Newtonian fluids, compressible and
   incompressible fluids. Fluid Statics: Pressure at a point. Measurement of Fluid Pressure:
   Manometers, U-tube, and inclined tube. Fluid Kinematics: Streamline, laminar & turbulent
   flow, external & internal flow, continuity equation. Dynamics of ideal fluids: Bernoulli’s equation, Total head; Velocity head; Pressure head; Application of Bernoulli’s equation. Measurement of Flow rate Basic Principles: Venturimeter, Pilot tube, Orifice meter. Hydraulic Turbines Classifications, Principles. Centrifugal Pumps Classifications, Principles, Performance.
7. Foundry & Casting methods, defects, different casting processes, Forging, Extrusion, etc, Metal cutting principles, cutting tools, Basic Principles of machining with (i) Lathe (ii) Milling (iii) Drilling (iv) Shaping (v) Grinding, Machines, tools & manufacturin processes, etc. as per the courses offered by the Recognized Institutes.

Assistant Foreman (Electrical) Syllabus

1. Principles of Electricity – Electric voltage, Current and resistance, Ohm’s law – specific
   resistance, Laws of resistance and their application for calculating voltage drop, series and
   parallel circuits, Practical units of voltage, current, resistance, power and energy. Relation
   between electricalpower unit (KW) and Mechanical Power Units (HP).
2. Electro Magnetism – Concept of Electro Magnetic Force (EMF), production of E.M.F.,
   Fleming’s Right and Left Hand Rules, Magnetic, Chemical and heating effects of electric
   current. Magnetic properties of material, Electromagnets and their various applications.
3. Materials – Conductors, Semiconductors and insulator materials and their relative merits.
   Transformer oil: Effect of heat and moisture on insulation. Lubricants and their uses.
4. A.C. Generators (Alternators) – Essential components and constructional features. Methods of voltage and frequency control, conditions and methods for synchronising, a simple associated switchboard and its accessories.
5. D.C. Generators – Essential components and constructional features, Shunt, series and
   compound dynamos and their characteristics, causes for sparking. Commutators and their
   maintenance. Carbon brushes, their adjustment and care. Methods of voltage regulation.
   Conditions for parallel operation, a simple associated switchboard and its accessories.
6. Batteries – Primary cells, Dry cells, Lead acid cells, Nickel, Iron or Alkaline cells. Initial and
   subsequent charging of batteries. Charging circuits and their calculations. Series and parallel
   circuits. Maintenance of batteries. Use of Hydrometers.
7. A.C. Motors – Theory of induction (squirrel cage and slip-ring type) synchronous and
   commutator motors, their uses, installation, method of starting, speed control and reversal of direction.
8. D.C. Motors – Theory of series, shunt and compound wound type motors, their uses,
   installation, method of starting, speed control and reversal of direction.
9. A.C. Circuits – Knowledge of vectors. Phase and phase difference. Resistance, inductance
   and capacitance in an A.C Circuit. Periodicity or Frequency. Power and power factor.
10. Controlling and Regulating Gear – Knowledge of various types of switches, circuit
    breakers, cutouts, starters, regulators and protective devices for both A.C. and D.C. motors
    and their wiring with the motors.
11. Transformation – Knowledge of single-phase and three-phase transformers, their
    construction, use and maintenance. Phasing out, parallel working, auto transformer,
    transformer tappings, temperature rise, and instrument transformer.