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NMDC Executive Trainee Syllabus 2026, Exam Pattern
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NMDC Executive Trainee Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about NMDC has published notification 2026 for the recruitment of Executive Trainee vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
NMDC Executive Trainee Syllabus 2026 : Overview
| Organization Name | National Mineral Development Corporation (NMDC) |
| Post Name | Executive Trainee |
| Vacancies | 102 |
| Application Mode | Online |
| Exam Date 2026 | 01st October 2026 |
| Category | Syllabus and Exam Pattern |
| Official Site | www.nmdc.co.in |
NMDC Executive Trainee Syllabus 2026
General Aptitude :- (Expected)
Quantitative Aptitude :
1. Mensuration
2. Ratio and Proportion
3. Indices and Surds
4. Time and Distance
5. Volumes
6. Problems on Numbers
7. Simple Interest
8. Boats and Streams
9. Mixtures and Allegations
10. Areas, Quadratic Equations
11. Time and Work
12. Permutation and Combination
13. Percentages
14. Numbers and Ages
15. Probability
16. Problems on LCM and HCF
17. Problems on Trains
18. Races and Games
19. Odd Man Out
20. Compound Interest
21. Profit and Loss
22. Simple Equations
23. Averages
24. Pipes and Cisterns
25. Partnership
26. Simplification and Approximation.
General English :
1. Sentence Improvement
2. Sentence Completion
3. Synonyms
4. Joining Sentences
5. Fill in the Blanks
6. Transformation
7. Substitution
8. Sentence Arrangement
9. Spotting Errors
10. Spelling Test
11. Active and Passive Voice
12. Para Completion
13. Antonyms
14. Data Interpretation
15. Passage Completion
16. Error Correction (Underlined Part)
17. Error Correction (Phrases in Bold)
18. Idioms and Phrases.
General Intelligence :
1. Blood Relation
2. Syllogism
3. Seating Arrangement
4. Statement and Conclusions
5. Raking
6. Series Problems
7. Non-Verbal Reasoning
8. Directions
9. Coding
10. Decoding
11. Analogy
12. Statement and Assumptions.
General Awareness :
1. History – India & world
2. Geography
3. Environmental Issues
4. Indian Constitution
5. Indian Geography
6. Current Affairs – National & International
7. Indian Polity
8. Indian Economy
9. Science & Technology.
Technical Subject :
Electrical :
1. EM THEORY:
Electrical and magnetic fields. Gauss's Law and Amperes Law. Fields in dielectrics, conductors and magnetic materials. Maxwell's equations. Time varying fields. Plane-wave propagation in dielectric and conducting media. Transmission lines.
2. ELECTRICAL MATERIALS:
Band theory, conductors, semi-conductors and insulators. Super-conductivity. Insulators for electrical and electronic applications. Magnetic materials. Ferro and Ferri magnetism. Ceramics, properties and applications. Hall effects and its applications. Special semiconductors.
3. ELECTRICAL CIRCUITS:
Circuits elements. Kirchoff s Laws. Mesh and Nodel analysis. Network Theorems and applications. Natural response and forced response. Transient response and steady state response for arbitrary inputs. Properties of networks in terms of poles and zeros. Transfer function. Resonant circuits. Three phase circuits. Two-port networks. Elements of twoelement network synthesis.
4. MEASUREMENTS AND INSTRUMENTATION:
Units and standards. Error analysis. Measurement of current. Voltage, Power, Powerfactor and energy. Indicating instruments. Measurement of resistance, inductance, capacitance and frequency. Bridge measurements. Electronic measuring instruments. Digital Voltmeter and frequency counter Transducers and their applications to the measurement of non-electrical quantities like temperature, pressure, flow-rate displacement, acceleration, noise level etc. Data acquisition systems. A/D and D/A converters.
5. CONTROL SYSTEMS:
Mathematical modeling of physical systems. Block diagrams and signal flow graphs and their reduction. Time domain and frequency domain analysis of linear dynamical system. Errors for different type of inputs and stability criteria for feedback systems. Stability analysis using Routh-Hurwitz array. Nyquist plot and Bode plot. Toot Locus and Nicols chart and the estimation of gain and phase margin. Basis concepts of compensator design. State variable matrix and its use in system modeling and design. Sampled data system and performance of such a system with the samples in the error channel. Stability of sampled data system. Elements of nonlinear control analysis. Control system components, electromechanical, hydraulic pneumatic components.
6. ELECTRICAL MACHINES AND POWER TRANSFORMERS:
Magnetic circuits-analysis and design of power transformers. Construction and testing. Equivalent circuits losses and efficiency. Regulation auto-transformer. 3 phase to former. Parallel operation. Basic concepts in rotating machines. EMF, torque, basic machine types construction and operation, leakage, losses and efficiency. B.C. Machines construction, excitation method, circuit models, Armature reaction and comutation, characteristics and performance analysis. Generators and motors. Starting and speed control. Testing losses and efficiency. Synchronous machines. Construction. Circuit model. Operating characteristics and performance analysis. Synchronous reactance. Efficiency. Voltage regulation, Salient-pole machine. Parallel operation. Hunting short circuit transients. Induction machines. Construction. Principle of operation. Rotating fields. Characteristics and performance. Analysis. Determination of circuit model. Cirele diagram. Starting and speed control. Fractional KW motors. Single phase synchronous and induction motors.
7. POWER SYSTEM: Types of Power Stations, Hydro Thermal and Nuclear Stations. Pumped storage plant. Economics and operating factors. Power transmission lines, Modeling and performance characteristics. Voltage control. Load flow studies. Optimal power system operation. Load frequency control. Symmetrical short circuit analysis. Zbus formulation. Symmetrical components. Per Unit representation. Fault analysis. Transient and steady-state stability of power systems. Equal area criterion. Power System Transients. Power systems protection circuit breakers. Relays HVDC transmission.
8. ANALOG AND DIGITAL ELECTRONICS AND CIRCUITS:
Semiconductor device physics, PN junctions and transistors, circuit models and parameters, FET, Zener, Tunnel, Schottky, photo diodes and their applications, rectifier circuits, voltage regulators and multiplier switching behavior of diodes and transistor. Small signal amplifiers, biasing circuits, frequency response and improvement, multistage amplifiers and feedback amplifiers, D.C. amplifiers, oscillators, large signal amplifiers, coupling amplifier, push pull amplifier, operational amplifier, weve shaping circuits, multivibrators and flip-flops and their applications. Digital logic gate families, universal gates combinational circuits for arithmetic and logic operation, sequential logic circuits. Counters, registers RAM and ROMS.
9. MICRO PROCESSORS: Microprocessors architecture-instruction set and simple assembly language programming. Interfacing for memory and I/Q. applications of micro processors in power system.
10. COMMUNICATION SYSTEMS: Types of modulation. AM, FM and PM. Demodulation. Noise and bandwidth considerations. Digital communication systems. Pulse code modulation and demodulations. Elements of sound and vision broadcasting. Barrier communication. Frequency division and time division multiplexing, telemetry system in power engineering.
Mechanical :
1. THEORY OF MACHINES: Kinematic and dynamic analysis of planer mechanism. Gams Goars and gear trains, Flywheels. Governors, balancing of rigid rotors and field balancing. Balancing of single and multicylinder engine. Linear vibration analysis of mechanical systems. Critical speeds and whirling of shafts automatic controls.
2. MACHINE DESIGN: Design of Joints: Cotters, keys, splines, welded joints, threaded fasteners, joints formed by interference fits. Design of friction drives: Couplings and clutches, belt and chain drives, power crews. Design of power transmission systems: Gears and gear drives shaft and azie, wire ropes.
3. STRENGTH OF MATERIALS: Stress and strain in two dimensions, principle stresses and strains, Mhor's construction, linear elastic materials, isotropy and anisotropy, stressstrain relations, uniexial loading, thermal stresses. Beams: Bending moment and sheer force diagram, bending stresses and deflection of beams. Shear stress distribution. Torsion of shafts, helicasprings. Combined stresses, thick-and thin-walled pressure vessels. Struts and columns. Strain energy concepts and theories of failure.
4. ENGINEERING MATERIAL: Basic concepts on structures of solids. Crystalline materials. Defect in crystalline materials. Alloys and binary phase diagrams. Structure and properties of common engineering materials. Heat treatment of steel, plastics, ceramics and composite materials, common applications of various materials.
5. PRODUCTION ENGINEERING: Metal Forming: Principles of forging, drawing and extrusion; high energy rate forming, powder metallurgy. Metal Casting: Die casting, investment casting, shall moulding, centrifugal casting, gating and rising design, melting furnances.
Fabricating Processes: Principles of gas, are, shielded arc welding, advanced welding processes, weldability, metallurgy of welding.
Metal Cutting: Turning, methods of screw production, drilling, boring milling, gear manufacturing, production of flat surfaces, grinding and finishing processes, computer controlled manufacturing systems, CNC, DNC, FMS, automation and robotics, cutting tools materials, tool geometry, mechanism of tool wear, tool life and machinability, measurement of cutting forces. Economics of machining, unconventional; machining processes. Jigs and fixtures. Fits and tolerance, measurement of surface texture, comparators alignment tests and reconditioning of machine tools.
6. INDUSTRICAL ENGINEERING: Production Planning and Control: Forecasting
moving average, exponential, smoothing, operations scheduling, assembly line balancing,
product development, break-even analysis, capacity palnning, PERT and CPM.
Control Operations: Invertory control-ABC analysis, EDQ model, materials
requirement planning, job design, job standards, work measurement, Quality
management-Quality analysis and control, operations research: Linear programmingGraphical and simpled methods, transportation and assignment models. Single server queuing model. Value Engineering: Value analysis for cost/value.
7. Elements of Computation : Computer organization; flow-charting; features of common computer languages; FORTRAN; BASIC; Lotus 1-2-3; C programming; elementary programming concepts.
8. Thermodynamics and IC Engines : Basic concepts of open and closed systems; heat and work; Zeroth, First and Second Laws of Thermodynamics; applications to non-flow and flow processes; entropy; availability; irreversibility; T-dS relations; Clapeyron equation; real gas equations; properties of ideal gases and vapours; standard vapour, gas-power and refrigeration cycles; two-stage compressors. IC Engines: Compression-Ignition and Spark-Ignition engines; pre-ignition, detonation and diesel knock; fuel injection and carburetion; supercharging; turboprop and rocket engines; engine cooling; emission and control; flue-gas analysis; measurement of calorific value; conventional and nuclear fuels; elements of nuclear power production.
9. Heat Transfer, Refrigeration and Air Conditioning : Modes of heat transfer; one-dimensional steady and unsteady conduction; composite slabs and equivalent thermal resistance; heat dissipation from extended surfaces; heat exchangers; overall heat-transfer coefficient; empirical correlations for laminar and turbulent flow; free and forced convection; thermal boundary layer over a flat plate; fundamentals of diffusive and convective mass transfer; black-body radiation; radiation concepts; enclosure theory; shape factor; network analysis. Refrigeration & Air Conditioning: Heat pumps; refrigeration cycles and systems; refrigerants; condensers; evaporators; expansion devices; psychrometry and charts; air-conditioning applications; sensible heating and cooling; effective temperature; comfort indices; load calculations; solar refrigeration; control and duct design.
10. Fluid Mechanics : Properties and classification of fluids; manometry; forces on immersed surfaces; centre of pressure; buoyancy; stability of floating bodies; fluid kinematics and dynamics; irrotational, incompressible and inviscid flow; velocity potential; pressure field; forces on immersed bodies; Bernoulli’s equation; fully developed flow through pipes; pressure-drop calculations; measurement of flow rate and pressure drop; boundary-layer theory; integral approach; laminar and turbulent flow; flow separation; flow over weirs and notches; open-channel flow; hydraulic jump; dimensionless numbers; dimensional analysis; similitude and modelling; one-dimensional isentropic flow; normal shock wave; flow through convergent-divergent ducts; oblique shock waves; Rayleigh and Fanno lines.
11. Fluid Machinery and Steam Generators : Performance, operation and control of hydraulic pumps; impulse and reaction turbines; specific speed and classification; energy transfer and coupling; power transmission. Steam Generators: Fire-tube and water-tube boilers; flow of steam through nozzles and diffusers; wetness and condensation. Turbomachinery: Various types of steam and gas turbines; velocity diagrams; partial admission; reciprocating, centrifugal and axial-flow compressors; multistage compression; role of Mach number; reheating; regeneration; efficiency and governing.
NMDC Executive Trainee Exam Pattern 2026
Duration : 120 Minutes
| S.No. | Subject | No. of Question | Marks |
| 1. | Domain Knowledge (Electrical/Mechanical) | 60 | 60 |
| 2. | General Aptitude | 40 | 40 |
| Total | 100 | 100 |
Exam Date 2026 : 01st October 2026
Starting Date of Application Form : 22nd July 2026
Last Date of Application Form : 11th August 2026
Total Post : 102
FAQs
Nmdc Executive Trainee 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
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