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TNPSC Motor Vehicle Inspector Syllabus 2026, Exam Pattern 2026, Exam Date 2026
TNPSC Motor Vehicle Inspector Syllabus 2026 - Overview
| Name of the Organisation | Tamil Nadu Public Service Commission |
| Exam Name | Combined Technical Services Examination (Diploma / ITI Level) |
| Post Name | Motor Vehicle Inspector |
| Total No Of Vacancies | 02 |
| Application Mode |
Online
|
| Selection Process | Written Examination & Interview |
| Category | Syllabus and Exam Pattern |
| Location | Tamil nadu |
| Official Website | www.tnpsc.gov.in |
TNPSC Motor Vehicle Inspector Syllabus 2026
Paper I :-
Part A: Tamil Eligibility Test :
Unit I Grammar (25 questions) :
Writing by separating letters, writing together, joining letters, joining lines - difference between kuril and nedil, difference between lakara, lakara, lakara, difference between nakara, nakara, difference between rakara, rakara, difference between rakara, different letters, recognizing cursive letters - recognizing singular and plural letters.
Word root recognition - Identifying the verb stem, adverb, adverb participle, noun, and noun types from the root word. Identifying Tamil words, antonyms, verb spelling errors, and spelling mistakes. Identifying the difference between two verbs.
Unit II: Vocabulary (15 questions) :
(i) Identifying antonyms, one word, one language, finding the correct meaning, multiple words giving the same meaning, finding the wrong word, arranging words in alphabetical order. Words that indicate one meaning, multilingual, two meanings, spoken language, written language. Knowing both the meaning and the synonym of a word.
(ii) Choosing the correct word to write in the space provided (e.g.) Going to school and getting education Speciality (studying, writing) If it appears in the sky, it will rain (mugil, star) Choosing the appropriate object (e.g.) Media Communication device (news and communication device). Society People's group [People's group meeting] Write the abbreviation of place names. (e.g.) Puducherry Puduwai, Mannargudi Mannai, Mylapore - Mayilai; Correct the error (e.g.) Combining pure Tamil words equivalent to one colloquial word (e.g.) Vethil Vetillai Nakkaali Chaiyar
(iii) Correction of errors in speech acts (e.g.) It rained yesterday. Forming new words by combining words and, or. By, then, until, this is not it. However, however, thus Inserting the word in brackets in the appropriate place (therefore because, therefore as, so, until, after) (e.g.) I went to the forest and therefore I saw the tiger I will play until the evening is over After completing the exam, we can go on a trip. A letter that gives meaning (e.g.) Aapasu Eekodu Thai month fire: Name a word that gives multiple meanings (e.g.) Kamala Ganjam Mulari Bangayam These words refer to lotus
Unit III: Writing Skills (15 questions) :
(i) Arranging words to form sentences - Types of sentences - Verb, Infinitive, Infinitive, Singular, Plural, Correct and Correct Sentences.
(ii) Traditional Tamil: Thinai Traditional High Thinai: Mother came. Mother came, the cows got wet. The cows got wet; Male: Masculine; He came. He came; Feminine She came She came: Many Male: They came They came. One's male: It came. It came Many's male: Birds flew - Birds flew; Time: It rained yesterday It rained yesterday I will come yesterday. I will come yesterday; Young name: Cow calf Goat cub: The dog screamed. The dog barked. Verbal: Basket full of rice. Amount: Crowd of people Crowd of sheep Herd Punctuation marks: Quarter point, semicolon, three-quarter point, full stop Exclamation mark Question mark places.
Unit IV: Art Terms (10 Questions) :
You should know the Tamil words that are directly related to the technical terms of various fields, such as science, medicine, management, law, geography. Technology, media, information technology, etc. (For example, search engine Migration. - Allergy, gug-Gene, and modo. Nautical Mile)
Unit V: Reading Comprehension (15 questions) :
Reading newspaper editorials, front pages, government news, articles, etc. Reading comprehension skills Understanding the meaning of a series of parables Understanding the meaning of a series of proverbs Understanding the meaning of proverbs Understanding the content of documents.
Unit VI: Simple Translation (5 questions) :
Must know Tamil equivalents of English and foreign words Must be able to translate English words in use (Reference: pendrive, printer computer, keyboard). Understand the translation of documents, header files, letters, petitions.
Unit VII: Literature, Tamil Scholars and Tamil Language (15 Questions) :
News related to Thirukkural (twenty chapters only) Morality, patience, encouragement, hospitality, emphasis on virtue. Eigai, Periyarai Subjunctive Verb, Non-attendance, Perspective. Love, education, neutrality, morality, nobility, character, friendliness, non-judgment, grace. Quotes - News related to religious books (Naladiyar. Naanmanikkadigai, Proverb Nanuroo Mudhumozhikanchi. Trikadugam, Innanalpadu. Sirupanchamoolam, Elathi, Avvaiyar songs) - News related to ancient Tamil languages, special Dravidian languages, Uve. Saminatha Iyer, The. Bomeenatchi Sundaram C. Ilakuvanar, News related to Tamil work, Devanya Pavanar, Agaramathali Pavalareru Perunchithranar, Jiu Pope. Veeramamunivar, News related to Tamil Thondu, News related to Tamil scholars, Pavendar. D.K. Chidambaranathar, Thavathiru Kunrakudi Adikalar Kannadasan, Kayide Millath Tara Bharathi. Velunachiyar Pattukkottai Kalyanasundaram Mudiyarasan Tamil Oli Ruthrangankannar K.V.A. Jaganthathar, Namakkal poet.
PART B: General Studies (Degree Standard) :
UNIT I: General Science (5 Questions) :
Scientific knowledge and scientific temper - Power of reasoning - Rote learning vs conceptual learning - Science as a tool to understand the past, present, and future; Nature of universe - General scientific laws– Mechanics - Properties of matter, force, motion, and energy - Everyday application of the basic principles of mechanics, electricity and magnetism, light, sound, heat, nuclear physics, laser, electronics, and communications; Elements and compounds, acids, bases, salts, petroleum products, fertilizers, pesticides; Main concepts of life science, classification of living organisms, evolution, genetics, physiology, nutrition, health and hygiene, human diseases; Environment and ecology; Latest inventions in science and technology; Current affairs.
UNIT II: Geography of India (5 Questions) :
Location - Physical features - Monsoon, rainfall, weather and climate - Water resources - Rivers in India - Soil, Minerals and Natural Resources - Forest and Wildlife - Agricultural pattern; Transport –Communication; Social Geography – Population density and distribution - Racial, linguistic groups and major tribes; Natural calamity - Disaster management; Environmental pollution - Reasons and preventivemeasures - Climate change - Green energy; Geographical landmarks; Current affairs.
UNIT III: History, Culture of India, and Indian National Movement (10 Questions) :
Indus Valley Civilization - Guptas, Delhi Sultans, Mughals, and Marathas - Age of Vijayanagaram and Bahmani Kingdoms - South Indian History; National Renaissance - Early uprising against British rule - Indian National Congress - Emergence of leaders – B.R.Ambedkar, Bhagat Singh, Bharathiar, V.O.Chidambaranar, Jawaharlal Nehru, Kamarajar, Mahatma Gandhi, Maulana Abul Kalam Azad, Thanthai Periyar, Rajaji, Subash Chandra Bose, Rabindranath Tagore, and others; Different modes of agitation: Growth of Satyagraha and Militant Movements; Communalism and Partition; Change and continuity in the socio-cultural history of India; Characteristics of Indian Culture, Unity in Diversity – Race, Language, Custom; India as a secular state, Social harmony; Prominent personalities in various spheres– Arts, Science, Literature and Philosophy
UNIT IV: Indian Polity (15 Questions) :
Constitution of India - Preamble to the Constitution - Salient features of the Constitution - Union, State and Union Territory - Citizenship, Fundamental Rights, Fundamental Duties, Directive Principles of State Policy - Union Executive, Union Legislature - State Executive, State Legislature - Local Governments, Panchayat Raj - Spirit of federalism: Centre - State relationships - Election - Judiciary in India – Rule of Law - Corruption in public life – Anti-corruption measures - Lokpal and Lok Ayukta - Right to Information - Empowerment of Women - Consumer Protection Forums, Human Rights Charter; Political parties and political system in India; Current affairs.
UNIT V: Indian Economy and Development Administration in Tamil Nadu (20 Questions) :
Nature of Indian Economy – Five-year plan models - an assessment - Planning Commission and Niti Aayog; Sources of revenue - Reserve Bank of India - Fiscal Policy and Monetary Policy - Finance Commission - Resource sharing between Union and State Governments - Goods and Services Tax; Structure of Indian Economy and Employment Generation, Land Reforms and Agriculture - Application of Science and Technology in Agriculture - Industrial growth - Rural welfare oriented programmes - Social problems - Population, Education, Health, Employment, Poverty; Human Development Indicators in Tamil Nadu and a comparative assessment across the Country – Impact of social reform movements in the socio-economic development of Tamil Nadu - Political parties, and welfare schemes for various sections of people - Rationale behind the reservation policy, and access to the social resources - Economic trends in Tamil Nadu - Role and impact of social welfare schemes in the socio-economic development of Tamil Nadu - Social Justice and social harmony as the cornerstones of socio-economic development; Education and health systems in Tamil Nadu; Geography of Tamil Nadu and its impact on economic growth; Achievements of Tamil Nadu in various fields; e-Governance in Tamil Nadu; Public awareness and General administration - Welfare oriented Government schemes and their utility, Problems in public delivery systems; Current socio-economic issues; Current affairs.
UNIT VI: History, Culture, Heritage, and Socio-Political Movements in Tamil Nadu (20 Questions) :
History of Tamil Society, related archaeological discoveries, Tamil literature from Sangam age till contemporary times - Thirukkural - Significance as a secular literature - Relevance to everyday life, Impact of Thirukkural on humanity, Thirukkural and universal values - Relevance to Socio-politicoeconomic affairs, Philosophical content in Thirukkural; Role of Tamil Nadu in freedom struggle - Early agitations against British Rule - Role of women in freedom struggle; Evolution of 19th and 20th century socio-political movements in Tamil Nadu - Justice Party, Growth of Rationalism - Self Respect Movement, Dravidian Movement, and principles underlying both these movements; Contributions of Thanthai Periyar and Perarignar Anna.
PART C: Aptitude and Mental Ability :-
UNIT I: Aptitude (15 Questions) :
Simplification - Percentage - Highest Common Factor (HCF) - Lowest Common Multiple (LCM) - Ratio and Proportion - Simple interest - Compound interest - Area - Volume - Time and Work.
UNIT II: Reasoning (10 Questions) :
Logical reasoning - Puzzles - Dice - Visual reasoning - Alpha numeric reasoning - Number series.
Concerned Subject (Diploma Standard) :-
Automobile and Mechanical Engineering :
Unit I: Basics of Mechanical Engineering (20 Questions) :
Fluid mechanics : Properties of fluids –flow of fluids – types - Hydraulic systems – components - Reciprocating pumps - Centrifugal pump – Gear pumps and vane pumps - Thermal Engineering - Properties of Gases - Expansion of Gases - Air cycles – Otto and Diesel cycles- Fuels- Fuel characteristics –Octane number and Cetane number – Alcohol, LPG and CNG as fuel for IC engines - Lubricants- Viscosity, Flash point, Fire point and Pour point - Air compressors : single stage and multi stage air compressors- IC Engine performance – Refrigeration – vapour compression refrigeration system – refrigerants – air conditioning - types - applications.
Unit II: Mechanics of Materials (20 Questions) :
Mechanical properties- strength, ductility, hardness, brittleness, fatigue and creep -endurance limit - Ferrous alloys -Non ferrous metals and alloys - Heat Treatment - Toughening –Normalising, annealing, hardening, case hardening –elastic and plastic deformation - Simple Stress and strain – Modulus of elasticity- Shear force, Torsion - Theory of simple bending, deflection.
Unit III: Production Technology (20 Questions) :
Foundry- Patterns – Special casting techniques -Welding – Hot and Cold working – drawing, rolling and forging – powder metallurgy – processing of plastics – lathe work – planner – shaper – slotter – drilling machines – milling machines – grinding machines – broaching – boring and jig boring – Gears manufacturing – Metal finishing – press work – non conventional production processes - Semi automats – Automats.
Unit IV: Design of Machine Elements (20 Questions) :
Engineering materials – Types - Factors affecting selection of materials, Preferred number, Factor ofsafety and allowable stress – Stresses: Tension, Compression, Shear, Crushing, Bending and torsion – Couplings, types, requirement of good couplings –Design of Joints and Fasteners – Design of
shafts, keys– Classification of bearings, Design of bearings, Material used for bearings – Belt drives and gear drives.
Unit V: Computer Integrated Manufacturing (20 Questions) :
CAD – Definition – geometric modeling – wire frame, surface and solid modeling –graphic standards – GKS, IGES, PHIGS and DXF. CAM – definition – Group Technology – Part families – Parts classification and coding – CAPP – types - CNC – definition – components of CNC – Part program – format – coordinate system –types of motion control – types of interpolation – G and M codes – sub program – canned cycles – FMS, AGV and Robotics.
Unit VI: Automobile Engines (20 Questions) :
Principles of 2 stroke and 4 stroke engines - Valve timing and port timing diagrams – OHV and OHC - Engine block - Cylinder head - Piston - Connecting rod - Crank shaft - Camshaft - timing gears - Firing order - Carburation – MPFI - Diesel Engine - CRDI - Injectors types - Cooling system – Radiator – Expansion reservoir cooling system - Coolant types - Lubricating system - Full pressure lubrication system - Turbo Chargers – Pollutants – emission control systems in SI and CI engines – EGR, catalytic converter, PCV, DPF and SCR – Bharat Stage norms (BS IV and VI) - Maintenance and servicing - On Board Diagnostics (OBD).
Unit VII: Chassis and Transmission Systems (20 Questions) :
Friction and Transmission of motion - Clutches – Gearboxes - Manual and Automatic - Universal joints – Axles – Live and dead axles - Constant velocity joints – Differential - Suspension System – Front independent suspension systems – Rear Suspension System – Leaf spring and Tandem axle suspension – air suspension - steering - types – Wheel Alignment – Power Steering – Types – Brakes– Braking efficiency – Air brake system – Hydraulic retarders - Anti-lock Braking Systems (ABS) -Tyres - Tubes - types – Tyre specification - Trouble shooting - Preventive Maintenance and servicing.
Unit VIII: Electrical Engineering and Electric Vehicles (20 Questions) :
Units and symbols - AC and DC - Electro magnetism - EMF – alternators – starter motors- Battery: Lead acid battery –ignition system – coil and electronic ignition systems - Electronics - Transistor - Capacitor - Diodes - Rectifiers - circuit breakers, sensors - Electronic Control Unit (ECU).Electric Vehicle (EV) – Necessity – Range – Layout – Battery – Li based batteries – Hybrid EV – Mild, Series, Parallel and Smart hybrid – Battery charging – Types – Normal and Fast charging – Battery swapping techniques – Battery Management System (BMS) – Motor – Types – Brushless DC Motor (BLDC) – controller unit - e-vehicle policy – fuel cell vehicle.
Unit IX: Body Building Technology (20 Questions) :
Terminology - classification of motor vehicle body for passenger transport, goods transport and cars- Chassis - Frame – types -Types of body construction – Aerodynamic body considerations - safety consideration – Active and Passive safety system - Seat belt and air bag – Advanced Driver Assistance System (ADAS) - NVH Level – Bus body construction - regulations - Goods vehicle construction – Truck classifications – special vehicles- Ergonomics of Driver seat design - Painting -Body repairing - maintenance and safety on painting.
Unit X: Transport Management (20 Questions) :
Leadership - Morale – Motivation – Depreciation calculation using straight line method and sinking fund method – Material Management - ABC analysis. Goods Transport, Passenger transport, Operational Layout of service station and garages – Bus stand –Classification - Passenger transport organization and Administrative set up – Fare calculation and fare collection methods - Motor Vehicle
act – Salient features - Road signals - Traffic signals - Permit - Registering vehicle - Fitness certificate
– Insurance – Types of Policy – Certificate of Insurance - Accident claim. Costing in Road transport -
Running Cost.
TNPSC Motor Vehicle Inspector Exam Pattern 2026
| Paper | Subject | No.of Question | Marks | Duration |
| Paper I | Part -A Tamil Eligibility Test | 100 | 150 | 3 Hour |
| Part -B General Studies | 75 | 150 | ||
| Part -C Aptitude and Mental Ability | 25 | |||
| Paper II | Subject Paper (Automobile and Mechanical Engineering) | 200 | 300 | 3 Hour |
TNPSC Exam Date 2026 : Notified Soon
Starting Date of Application Form : 17th July 2026
Last Date of Application Form : 05th August 2026
Total Post : 02