TNPSC CES / CTS (TNPSC Combined Engineering / Technical Services — Assistant Engineer) — Free Online Mock Test
TNPSC Combined Engineering Services (CES) / Combined Technical Services (CTS) Assistant Engineer exam. 100 MCQ / 100 marks: General Studies & Aptitude plus discipline papers in Civil, Mechanical and Electrical Engineering. Practice each discipline with the topic-wise test series. · Official language: English & Hindi.
TNPSC CES / CTS exam at a glance
TNPSC CES / CTS full-length mock tests
Attempt 50 full-length TNPSC CES / CTS mock tests, each a distinct question set built on the real 100-question, 115-minute pattern — with instant scoring and section-wise analysis. The first 3 are free.
TNPSC CES / CTS key facts & eligibility
| Conducting body | Tamil Nadu Public Service Commission (TNPSC). |
|---|---|
| Official website | tnpsc.gov.in — TNPSC ↗ |
| Mode | OMR-based offline objective test. |
| Frequency | Held as vacancies arise across Tamil Nadu engineering departments (periodic). |
| Scoring & marking | The Combined Engineering Services Examination recruits Assistant Engineers and allied technical officers. It has two objective papers — an engineering-subject paper in the chosen discipline (Civil/Mechanical/Electrical) and a General Studies plus Aptitude/Mental-Ability paper (with Tamil/general-knowledge components) — with one-fourth (0.25) negative marking (contrary to the common assumption that TNPSC has none). Exact question counts vary by notification; selection is by the written merit list followed by certificate verification and counselling. |
| Score validity | Used within the current recruitment cycle. |
| Language | Tamil and English. |
Who is eligible for TNPSC CES / CTS?
A degree in Engineering (B.E./B.Tech) in the relevant discipline for Assistant Engineer posts (some subordinate posts accept a diploma); knowledge of Tamil is required, with the usual TNPSC age limits and relaxations.
Last verified August 2026 against TNPSC (official), TNPSC — CESE notification (PDF). Always confirm current details on the official website before you register.
TNPSC CES / CTS section breakdown
The TNPSC CES / CTS mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
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General Studies, Aptitude & Engineering Maths (20 Q)
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Civil Engineering (25 Q)
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Mechanical Engineering (30 Q)
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Electrical Engineering (25 Q)
TNPSC CES / CTS scoring & marking scheme
Strategy: TNPSC CES / CTS has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: TNPSC CES / CTS (out of 100).
How TNPSC CES / CTS is conducted
- Mode
- Test format
- Backtracking
- Mark for review
TNPSC CES / CTS time strategy
With 100 questions in 115 minutes, you have about 69 seconds per question on average. Successful candidates aim for the following pacing on each section:
- General Studies, Aptitude & Engineering Maths (20 Q)
- Civil Engineering (25 Q)
- Mechanical Engineering (30 Q)
- Electrical Engineering (25 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
TNPSC CES / CTS topics covered
Across the 50 Wrexa Edge variants of TNPSC CES / CTS, the following topics appear most often (sample distribution from one variant):
General Studies, Aptitude & Engineering Maths (20 Q)
- Tamil Nadu GK · 8
- Reasoning — Classification (odd one out) · 3
- Reasoning — Number Series (arithmetic) · 1
- Reasoning — Number Series (squares) · 1
- Reasoning — Syllogism (transitive) · 1
- Algebra — Quadratics · 1
- Algebra — Systems · 1
- Algebra — Exponents · 1
Civil Engineering (25 Q)
- RCC Design · 9
- Structural Analysis · 8
- Strength of Materials · 6
- Steel Structures · 2
Mechanical Engineering (30 Q)
- Physics — Thermodynamics · 10
- Thermodynamics & Heat Transfer · 8
- Fluid Mechanics · 8
- Thermo — First Law · 1
- Thermo — Second Law · 1
- Fluids — Properties · 1
- Fluids — Hydrostatic · 1
Electrical Engineering (25 Q)
- Electrical Circuits & Electronics · 8
- Electrician — NEC Code · 4
- Electrician — Grounding · 3
- Electrical — Kirchhoff · 2
- Electrician — Theory · 2
- Electrical — Power · 1
- Electrical — Ohm's Law · 1
- Electrical — Resistance · 1
TNPSC CES / CTS difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
TNPSC Combined Engineering Services (CES) / Combined Technical Services (CTS) Assistant Engineer exam. 100 MCQ / 100 marks: General Studies & Aptitude plus discipline papers in Civil, Mechanical and Electrical Engineering. Practice each discipline with the topic-wise test series. · Official language: English & Hindi.
Verified content — Wrexa Edge's TNPSC CES / CTS bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for TNPSC CES / CTS
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what TNPSC CES / CTS really tests
The TNPSC Combined Engineering Services Examination recruits Assistant Engineers and allied technical officers for Tamil Nadu government departments such as PWD, TWAD and Highways. It is an OMR-based objective exam with an engineering-discipline paper plus a general studies/aptitude paper, and — contrary to a common assumption — it does apply one-fourth negative marking.
Preparation tips
- Master your core engineering-discipline paper first — it carries the larger share of marks.
- Don’t neglect the General Studies + aptitude paper, including the Tamil-language and Tamil Nadu general-knowledge portions.
- Solve previous TNPSC CES papers to learn the OMR format and question framing.
Common mistakes to avoid
- Assuming there’s no negative marking — CES deducts one-fourth mark per wrong answer, so avoid blind guessing.
- Under-preparing the General Studies paper while over-focusing on the engineering subject, and losing the aggregate cutoff.
TNPSC CES / CTS study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Your discipline (Civil/Mechanical/Electrical)
- Core engineering subjects
- Larger share of marks
- General Studies + aptitude
- Tamil & Tamil Nadu GK
- Don’t neglect the aggregate cutoff
- OMR practice
- 0.25 negative marking (yes, TNPSC CES has it)
- Previous TNPSC CES papers
Where TNPSC CES / CTS can take you
A strong TNPSC CES / CTS result opens up these careers and higher-study paths:
- Assistant Engineer
- TN engineering service
Best books & official prep for TNPSC CES / CTS
- Official notification & syllabus — TNPSC
Official practice: TNPSC publishes the CESE notification and syllabus on tnpsc.gov.in.
Previous-year papers: TNPSC previous-year papers are available.
Frequently asked questions
- What is the TNPSC CES / CTS exam pattern?
- TNPSC Combined Engineering / Technical Services — Assistant Engineer contains 100 questions across 4 sections: General Studies, Aptitude & Engineering Maths (20 Q), Civil Engineering (25 Q), Mechanical Engineering (30 Q), Electrical Engineering (25 Q). Total duration is 115 minutes (about 69 seconds per question).
- Does TNPSC CES / CTS have negative marking?
- No — TNPSC CES / CTS has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is TNPSC CES / CTS scored?
- Scaled score range: 0 to 100. TNPSC CES / CTS (out of 100).
- How can I practise TNPSC CES / CTS online for free?
- Wrexa Edge gives you 3 free full-length TNPSC CES / CTS mock tests — with instant scoring, detailed explanations and analytics — plus 47 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of TNPSC CES / CTS?
- TNPSC CES / CTS is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. TNPSC Combined Engineering Services (CES) / Combined Technical Services (CTS) Assistant Engineer exam. 100 MCQ / 100 marks: General Studies & Aptitude plus discipline papers in Civil, Mechanical and Electrical Engineering. Practice each discipline with the topic-wise test series. · Official language: English & Hindi.
- How long is the TNPSC CES / CTS exam?
- TNPSC CES / CTS runs for 115 minutes total across 4 sections. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in TNPSC CES / CTS?
- TNPSC CES / CTS is split into: General Studies, Aptitude & Engineering Maths (20 Q), Civil Engineering (25 Q), Mechanical Engineering (30 Q), Electrical Engineering (25 Q). Each section is timed and weighted separately. TNPSC Combined Engineering Services (CES) / Combined Technical Services (CTS) Assistant Engineer exam. 100 MCQ / 100 marks: General Studies & Aptitude plus discipline papers in Civil, Mechanical and Electrical Engineering. Practice each discipline with the topic-wise test series. · Official language: English & Hindi.
- What tools or aids are allowed during TNPSC CES / CTS?
- No special tools are required.
- Is the TNPSC CES / CTS test adaptive?
- No — TNPSC CES / CTS is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many TNPSC CES / CTS mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct TNPSC CES / CTS variants — each with different question content, not just shuffled options — the first 3 free for everyone and 47 more with Pro. That's 5000 unique practice questions in the real test-day interface.
- Is there a free TNPSC CES / CTS test series 2026?
- Yes. The Wrexa Edge TNPSC CES / CTS test series for 2026 gives you 3 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are TNPSC CES / CTS previous year question–style papers included?
- Every TNPSC CES / CTS mock is modelled on the official exam pattern and the style of previous years' papers — the same 100-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free TNPSC CES / CTS mock test online?
- Wrexa Edge's TNPSC CES / CTS mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the TNPSC CES / CTS mock test on mobile?
- Yes. TNPSC CES / CTS mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the TNPSC CES / CTS syllabus?
- The TNPSC CES / CTS syllabus maps to its 4 sections: General Studies, Aptitude & Engineering Maths (20 Q), Civil Engineering (25 Q), Mechanical Engineering (30 Q), Electrical Engineering (25 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for TNPSC CES / CTS?
- A degree in Engineering (B.E./B.Tech) in the relevant discipline for Assistant Engineer posts (some subordinate posts accept a diploma); knowledge of Tamil is required, with the usual TNPSC age limits and relaxations. Wrexa Edge focuses on realistic TNPSC CES / CTS practice: 3 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the TNPSC CES / CTS exam and how should I prepare?
- Official TNPSC CES / CTS exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 3 free TNPSC CES / CTS mocks with instant scoring so you can track your readiness week by week.
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