UPSC ESE Prelims (UPSC Engineering Services / ESE (Prelims)) — Free Online Mock Test
UPSC Engineering Services / ESE (Prelims) · MCQ. India examination. · Official language: English & Hindi.
UPSC ESE Prelims exam at a glance
UPSC ESE Prelims key facts & eligibility
| Conducting body | Union Public Service Commission (UPSC), Government of India. |
|---|---|
| Official website | upsc.gov.in — UPSC ↗ |
| Mode | Objective / OMR-based offline test (the Prelims stage). |
| Frequency | Once a year. |
| Scoring & marking | The Engineering Services Examination (ESE/IES) Prelims is Stage I (500 marks) — Paper I, General Studies & Engineering Aptitude (200 marks, 2 hours, common to all), and Paper II, discipline-specific (300 marks, 3 hours) in one of Civil, Mechanical, Electrical or Electronics & Telecommunication engineering — both objective with 1/3 negative marking. Prelims marks carry forward and count toward the final merit (the full ESE totals 1300 — Prelims 500 + descriptive Mains 600 + interview 200). |
| Score validity | Used within the current examination cycle (Prelims marks add to the final merit). |
| Language | English. |
Who is eligible for UPSC ESE Prelims?
A degree in Engineering (or an equivalent recognised qualification) in a discipline aligned with one of the four ESE streams; Indian nationals per the usual UPSC provisions.
Last verified August 2026 against UPSC (official), Wikipedia — Engineering Services Examination. Always confirm current details on the official website before you register.
UPSC ESE Prelims section breakdown
The UPSC ESE Prelims 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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UPSC ESE Prelims (55 Q)
UPSC ESE Prelims scoring & marking scheme
Strategy: UPSC ESE Prelims has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: UPSC ESE Prelims (pass 700/1000).
How UPSC ESE Prelims is conducted
- Mode
- Test format
- Backtracking
- Mark for review
UPSC ESE Prelims time strategy
With 55 questions in 120 minutes, you have about 131 seconds per question on average. Successful candidates aim for the following pacing on each section:
- UPSC ESE Prelims (55 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.
UPSC ESE Prelims topics covered
Across the 50 Wrexa Edge variants of UPSC ESE Prelims, the following topics appear most often (sample distribution from one variant):
UPSC ESE Prelims (55 Q)
- CSE — Graph · 3
- Reasoning — Classification (odd one out) · 3
- Reasoning — Blood relations · 3
- Statics — Beams · 2
- CSE — Algorithms · 2
- CSE — Data Structures · 2
- CSE — Networks · 2
- CSE — Databases · 2
UPSC ESE Prelims difficulty calibration
Elite tier. Elite-tier: among the toughest exams in its category. Most successful candidates prepare for 6-12+ months.
UPSC Engineering Services / ESE (Prelims) · MCQ. India examination. · Official language: English & Hindi.
Verified content — Wrexa Edge's UPSC ESE Prelims bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for UPSC ESE Prelims
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what UPSC ESE Prelims really tests
ESE Prelims is the objective, OMR-based first stage of UPSC’s annual Engineering Services Examination — a common 200-mark General Studies & Engineering Aptitude paper plus a 300-mark discipline-specific paper across four engineering branches, with 1/3 negative marking. It screens candidates for the descriptive Mains and interview, and its marks carry into the final merit.
Preparation tips
- Don’t neglect Paper I — General Studies & Engineering Aptitude is common and often decides the cutoff.
- Because Prelims marks carry into the final merit, aim for accuracy, not just qualifying.
- Manage the 1/3 negative marking: skip genuine blind guesses.
⚠️ Common mistakes to avoid
- Assuming Prelims is merely qualifying — the marks add to the final merit list.
- Reckless guessing that erodes the score through negative marking.
UPSC ESE Prelims 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 branch (Civil/Mech/Elec/E&T) — Paper II 300 marks
- Core concepts
- GATE/ESE references
- General Studies & Engineering Aptitude (Paper I)
- Materials, ethics, standards, current affairs
- Common paper often decides the cutoff
- Prelims marks carry to final merit — accuracy
- 1/3 negative marking discipline
- Previous ESE papers
Where UPSC ESE Prelims can take you
A strong UPSC ESE Prelims result opens up these careers and higher-study paths:
- Group A engineer
- Central engineering services
Best books & official prep for UPSC ESE Prelims
- Standard GATE/ESE engineering references + official syllabus — UPSC
Official practice: UPSC publishes the ESE notification and syllabus on upsc.gov.in.
Previous-year papers: UPSC previous-year ESE papers are widely available.
Frequently asked questions
- What is the UPSC ESE Prelims exam pattern?
- UPSC Engineering Services / ESE (Prelims) contains 55 questions across 1 section: UPSC ESE Prelims (55 Q). Total duration is 120 minutes (about 131 seconds per question).
- Does UPSC ESE Prelims have negative marking?
- No — UPSC ESE Prelims has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is UPSC ESE Prelims scored?
- Scaled score range: 100 to 1000. UPSC ESE Prelims (pass 700/1000).
- How can I practise UPSC ESE Prelims online for free?
- Wrexa Edge gives you 10 free full-length UPSC ESE Prelims mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of UPSC ESE Prelims?
- UPSC ESE Prelims is rated Elite difficulty on Wrexa Edge. Elite-tier: among the toughest exams in its category. Most successful candidates prepare for 6-12+ months. UPSC Engineering Services / ESE (Prelims) · MCQ. India examination. · Official language: English & Hindi.
- How long is the UPSC ESE Prelims exam?
- UPSC ESE Prelims runs for 120 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in UPSC ESE Prelims?
- UPSC ESE Prelims is split into: UPSC ESE Prelims (55 Q). Each section is timed and weighted separately. UPSC Engineering Services / ESE (Prelims) · MCQ. India examination. · Official language: English & Hindi.
- What tools or aids are allowed during UPSC ESE Prelims?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the UPSC ESE Prelims test adaptive?
- No — UPSC ESE Prelims is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many UPSC ESE Prelims mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct UPSC ESE Prelims variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2750 unique practice questions in the real test-day interface.
- Is there a free UPSC ESE Prelims test series 2026?
- Yes. The Wrexa Edge UPSC ESE Prelims test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are UPSC ESE Prelims previous year question–style papers included?
- Every UPSC ESE Prelims mock is modelled on the official exam pattern and the style of previous years' papers — the same 55-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free UPSC ESE Prelims mock test online?
- Wrexa Edge's UPSC ESE Prelims 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 UPSC ESE Prelims mock test on mobile?
- Yes. UPSC ESE Prelims 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 UPSC ESE Prelims syllabus?
- The UPSC ESE Prelims syllabus maps to its 1 section: UPSC ESE Prelims (55 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 UPSC ESE Prelims?
- Eligibility for UPSC ESE Prelims — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic UPSC ESE Prelims practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the UPSC ESE Prelims exam and how should I prepare?
- Official UPSC ESE Prelims 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 10 free UPSC ESE Prelims mocks with instant scoring so you can track your readiness week by week.
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