NTPC Diploma Trainee Exam Pattern & Syllabus for Mechanical, Electrical, Mining, and C&I Engineering. NTPC Diploma Exam Date. 

NTPC Ltd Diploma recruitment Online Form 2018 Online Test Details


Downloading of Admit card for 1st stage Online Aptitude Test:- Mid July 2018 (Tentatively)

First Stage Online Aptitude Test - July 2018 Last week  (Tentatively)

Downloading of Admit card for 2nd stage Online Technical Test-  Mid August 2018 (Tentatively)

Second Stage Online Technical Test - 3 rd/4th weeks of August 2018 (Tentatively)


Discipline Qualification*

Electrical - Diploma in Electrical / Electrical & Electronics Engineering with minimum 70% marks.

Mechanical -Diploma in Mechanical / Production Engineering with minimum 70% marks.

C&I - Diploma in Instrumentation/Electronics Engineering with minimum 70% marks.

Mining -Diploma in Mining / Mining & Mine Surveying Engineering with a minimum of 70% marks.
NTPC Diploma 2018
NTPC Diploma syllabus

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NTPC Exams and Selection process

Eligible candidates will have to undergo 2 stages of Online Test. This exam is a Computer Based Exams.

First stage - Online test

First stage Exams - Online Aptitude Test

Number of Question- 120 (Multiple Type Question)

Exam Duration- 2 hours (120 minutes)

NTPC Diploma recruitment Syllabus for first Stage Exams 

NTPC Syllabus for General English

1. Phrase Replacement/ Sentence Correction- A mix of grammar and vocabulary Based questions.

Topic Name- Tenses, Phrasal Verbs, Subject-Verb Agreement, Article-Noun Agreement, Correct Part of Speech, Use of Prepositions, Parts of speech, Degree of Comparison.

2. Fill in the Blanks- A mix of grammar and vocabulary-based questions- Phrasal verbs, conjunctions, prepositions, tenses, confusable words.

3. Reading Comprehension

4. Spellings- Choose the correctly spelled word or the misspelled word from different words. The same word can be written in different ways and you are asked to select the correct spelling.

5. Phrase or Idiom Meaning- The meaning of the phrase or idiom can be asked in a sentence.

6. One Word Substitution- Substitute one word for the phrase given.

7. Error Spotting- Tenses, Subject-Verb Agreement, Article-Noun Agreement, Correct Part of Speech, Correct use of Prepositions, Parallelism, Phrasal Verbs, Sentence Construction, Degree of Comparison, Correct use of different parts of speech.

NTPC Diploma Recruitment- 2018 Syllabus for Quantitative Aptitude

1. Interest- Problems on Simple, Compound Interests

2. Percentage- Calculation basic Percentage problems.

3. Average- Problems on Average.

4. Ratio and Proportion- Problems on Simple, Compound Ratios and Direct/Indirect Proportions.

5. Simplification- Use BODMAS Rule, Fractions etc.

6. Profit and Loss- Problems on Profit/Loss, Dishonest/Successive dealings, Partnerships, etc.

7. Speed Time & Distance- Relative speeds, Average, Boats, & Trains.

8. Number System- Moderate problems on LCM & HCF, Irrational or Rational Numbers.

9. Problems on Ages- Basic Problems on Ages.

10. Time and Work- Problems on Work efficiency, Wages and Pipes, etc.

11. Data Interpretation- Problems on Bar/Line Graphs, Pie Charts, Tables etc.

12. Mixture and Allegation

General Intelligence & Reasoning

1. Classification- Number, Letter, GK and Meaningful Words based question.

2. Analogy- Number, Letter, GK and Meaningful Words based question.

3. Coding & Decoding- Analogy, Coding, Letter shifting & Coding Letters of a Word.

4. Puzzle- number-based puzzles like 7 × 5 × 6 × 4 = 6574, then 8 × 7 × 4 × 9 =?

5. Matrix- 1 or 2 Matrix of letters with numbers are given from which correct set of numbers for a given word is to find out.

6. Word formation- From the given word find whether the given option words can be formed or not.

7. Arranging words in Logical order- It can be the meaningful order of doing a certain task or following a certain rule. An arrangement of dictionary sequence in ascending or descending order.

8. Venn diagram- Problems based on Venn Diagram Types of Question: Represent the relation between Student, Teacher, and Boys

9. Directions & Distances- Problems can be solved by dragging all the information on the paper.

10. Blood Relations- Family Tree or General Blood Relation Problems.

11. Missing Number- Find the missing number.

12. Series- Mainly questions on Number & Alphabet series. Question Type: Complete the given series a_bc_ _cbad_bcd_cda

13. Non-Verbal Reasoning- Complete the pattern, Assemble, Mirror, & Hidden Image, Counting Figures.

14. Verbal Reasoning- Questions on Statements and Conclusions, Statements and Inferences, Statements and Assumptions, Assertion and Reason. Questions on Course of Action & Statements and Arguments can also be asked.

Each question carries 1 mark and 0.25 marks will be deducted for the wrong answer.

There are qualifying marks (40% marks in case of General category and 30% in case of SC/ST/OBC/ PWD candidates).

The candidates will be shortlisted @ 1:10 for the 2nd stage Online Test (Technical).

There will be no weigh tage to the online aptitude test in the final selection.

Second stage Online Test:- Respective Discipline

Number of Question- 120 (Multiple Type Question)

Exam Duration- 2 hours (120 minutes)

Each question carries 1 mark and 0.25 marks will be deducted for the wrong answer.

There are qualifying marks (40% marks in case of General category and 30% in case of SC/ST/OBC/ PWD candidates).

The offer of appointment may be issued based on merit. No skill test will be conducted.

Technical Syllabus for NTPC for Diploma

NTPC Syllabus for Mechanical Engineering

Applied Mechanics and Design

Engineering Mechanics

Free-body diagrams and equilibrium- trusses and frames.

Kinematics and dynamics of particles and of rigid bodies in plane motion.

Impulse and momentum (linear and angular) and energy formulations.

Collisions. Virtual work.

Mechanics of Materials 

Stress and strain

Elastic Constants

Poisson's ratio

Mohr’s circle for plane stress and plane strain.

Thin cylinders.

Shear force and bending moment diagrams.

Bending and shear stresses.

Deflection of beams.

Torsion of circular shafts.

Euler’s theory of columns, energy methods.

Thermal stresses, strain gauges, and rosettes.

Testing of materials with the universal testing machine. 

Testing of hardness and impact strength.

Theory of Machines


Velocity and acceleration analysis of plane mechanisms.

Dynamic analysis of linkages, cams.

Gears and gear trains.

Flywheels and governors, Gyroscope.

Balancing of reciprocating and rotating masses.

Vibrations-  Free and forced vibration of single degree of freedom systems, the effect of damping, vibration isolation, resonance, critical speeds of shafts.

Machine Design

Design for static and dynamic loading, failure theories, fatigue strength and the S-N diagram, Principles of the design of machine elements such as bolted
Riveted and welded joints, shafts, gears, rolling and sliding contact bearings, brakes, and clutches, springs.

Fluid Mechanics and Thermal Sciences

Fluid Mechanics

Fluid properties, fluid statics, manometry, buoyancy, forces on submerged bodies.
Stability of floating bodies, control-volume analysis of mass, momentum, and energy.

Fluid acceleration.

Differential equations of continuity and momentum, Bernoulli’s equation, dimensional analysis, viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends, and fittings.

Heat Transfer

Modes of heat transfer.

One dimensional heat conduction, resistance concept, and electrical analogy, heat transfer through fins, unsteady heat conduction, lumped parameter system.

Heisler's charts, thermal boundary layer, dimensionless parameters in free and forced convective heat transfer, heat transfer correlations for flow over flat plates and through pipes, the effect of turbulence, heat exchanger performance, LMTD and NTU methods, radiative heat transfer.

Stefan-Boltzmann law, Wien's displacement law, black and grey surfaces, view factors, radiation network analysis.


Thermodynamic systems and processes.

Properties of pure substances, the behavior of ideal and real gases.

Zeroth and first laws of thermodynamics, calculation of work and heat in various processes.

The second law of thermodynamics, thermodynamic property charts, and tables, availability and irreversibility.

Thermodynamic relations.

Power Engineering

Air and gas compressors, vapor and gas power cycles, concepts of regeneration and reheat.

I.C. Engines - Air-standard Otto, Diesel, and dual cycles.

Refrigeration and air-conditioning-  Vapour and gas refrigeration and heat pump cycles, properties of moist air, psychrometric chart, basic psychrometric processes.

Turbomachinery- Impulse and reaction principles, velocity diagrams, Pelton-wheel, Francis and Kaplan turbines.

Materials, Manufacturing and Industrial Engineering

Engineering Materials

Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials.

Casting, Forming and Joining Processes-  Different types of castings, the design of patterns, molds and cores, solidification and cooling, riser and gating design.

Plastic deformation and yield criteria, fundamentals of hot and cold working processes, load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes, principles of powder metallurgy.

Principles of welding, brazing, soldering and adhesive bonding.

Machining and Machine Tool Operations- Mechanics of machining, basic machine tools, single and multi-point cutting tools, tool geometry and materials, tool life and wear, the economics of machining.

Principles of non-traditional machining processes, principles of work holding, design of jigs and fixtures.

Metrology and Inspection- Limits, fits and tolerances, linear and angular measurements, comparators, gauge design, interferometry, form and finish measurement, alignment and testing methods, tolerance analysis in manufacturing and assembly.

Computer Integrated Manufacturing- Basic concepts of CAD/CAM and their integration tools.

Production Planning and Control- Forecasting models, aggregate production planning, scheduling, materials requirement planning.

Inventory Control- Deterministic models, safety stock inventory control systems.

Operations Research- Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.

NTPC Syllabus for Electrical Engineering

1. Network Theory

2. Signals and Systems

3. Electromagnetic Fields

4. Electrical Machines

5. Control Systems

6. Electrical & Electronics measurements

7. Power Systems

8. Analog Electronics

Operational amplifiers: Ideal and Practical Characteristics of OP-AMP & 
applications, Active filters, VCOs and Timers.

Cathode Ray Oscilloscopes (CRT), Multimeters, and Digital voltmeters

9. Power Electronics

Semiconductor devices: Diode, Thyristor (SCR), Triac Diode, GTO, MOSFET, and IGBT.

DC to DC conversion: Buck, Boost, and Buck-Boost converters.

10. Networks Theory

11. Digital Electronics

NTPC Syllabus Mining Engineering

1. Mine Development and Surveying
Mine Development
Mine Surveying

2. Geomechanics and Ground Control
Engineering Mechanics

3. Mining Methods and Machinery
Mining Methods
Mining Machinery

4. Surface Environment, Mine Ventilation, and Underground Hazards
Surface Environment
Mine Ventilation
Subsurface Hazards

5. Mine Economics, Mine Planning, Systems Engineering.

NTPC Syllabus Instrumentation and Electronics Engineering

1. Networks Theory/Electrical Circuits

2. Signals and Systems 

3. Measurements 

4. Sensors and Industrial Instrumentation

5. Electronic Devices

6. Analog Circuits

7. Digital Circuits

8. Control Systems

9. Communications  and Optical Instrumentation

10. Electromagnetics

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