Civil Engineering Paper I
- Year 2019
- Conducted By Union Public Service Commission (UPSC)
- Questions 8
- Maximum Marks 300
- Duration Three Hours Maximum Marks: 300
- Languages English
Exam Details
| Detail | Information |
|---|---|
| Examination | Engineering Service (Main) Examination |
| Year | 2019 |
| Conducting Body | Union Public Service Commission (UPSC) |
| Paper | Civil Engineering Paper I |
| Subject | Civil Engineering |
| Duration | Three Hours Maximum Marks: 300 |
| Maximum Marks | 300 |
| Number of Questions | 8 |
| Question Type | Mixed (descriptive + section a section b style) |
This JSON summarizes the 2019 Engineering Service (Main) Civil Engineering Paper I. It captures the exam header, pattern, and section structure from Page 1, along with the repaired Section A questions and their stems from Page 2. The metadata includes exam name, year, conducting body, paper code, subject, duration, and maximum marks. The objective_questions_preview consolidates Section A items extracted from the OCR, including bricks testing, cement hydration (C3S/C2S), timber defects, and structural problems like compound tubes, material stresses, and beam-column behavior. The JSON also provides SEO-oriented fields: titles, descriptions, keywords, as well as FAQs, topics, tags, and image SEO data to improve discoverability. The goal is to present a coherent, repair-friendly, machine-parsable representation of the supplied OCR content for page 1 and page 2, suitable for use in a quiz/learning-resource platform. The content remains faithful to the OCR after repair, avoiding any invented facts, while organizing the material into clearly labeled JSON fields.
Major Topics Covered
- Civil Engineering
- Structural Engineering
- Materials Testing
- Cement and Concrete Technology
- Brick Testing
- Hydration Reactions
- Timber Engineering
- Timber Defects
- Composite Tubes
- Stresses and Strains
- Poisson's Ratio
- Direct and Shear Stress
- Torsion
- Tensile Testing
- Beam Theory
- Elasticity
- Beams with Center Support
- Uniformly Distributed Load (UDL)
- UPSC Engineering Service Main
- Paper I
Why This Paper is Important
- Useful for Engineering Service (Main) Examination preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
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Instructions
- Þ Engineering Service (Main) Exam, 2019 वियोज्य DETACHABLE CIVIL ENGINEERING Paper I
- There are EIGHT questions divided in TWO Sections.
- Candidate has to attempt FIVE questions in all.
- Question Nos. 1 and 5 are compulsory and out of the remaining, any THREE are to be attempted choosing at least ONE question from each Section.
- The number of marks carried by a question/part is indicated against it.
- Wherever any assumptions are made for answering a question, they must be clearly indicated.
- Diagrams/figures, wherever required, shall be drawn in the space provided for answering the question itself.
- Unless otherwise mentioned, symbols and notations have their usual standard meanings.
- Attempts of questions shall be counted in sequential order.
- Unless struck off, attempt of a question shall be counted even if attempted partly.
- Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.
- Answers must be written in ENGLISH only.
Questions (page 2)
Q2. Explain the products of hydration of C3S and C2S (Bogue compounds) with the relevant equations involving the reactions. (8 marks)
Q3. Explain the following defects in timber with neat sketches: Shakes and Knots. (4 marks)
Q4. A compound tube consists of a steel tube of 150 mm internal diameter and 170 mm external diameter and a brass tube of 170 mm internal diameter and 190 mm external diameter. The two tubes are of the same length. The compound tube carries an axial load of 1000 kN. Find the stresses and the load carried by each tube and the amount it shortens. Length of each tube is 140 mm. Take E for steel as 2×105 N/mm^2 and for brass as 1×105 N/mm^2. (8 marks)
Q5. On a steel bar specimen of 15 mm diameter and 150 mm gauge length, when tested as a tensile test specimen, a force of 15 kN produces an extension of 0.063 mm. When the specimen of same diameter and same length is tested under torsion, a twisting moment of 6.94 Nm produces an angular twist of 0.15°. Determine the Poisson's ratio of the material of the bar. (4 marks)
Q6. Direct stresses of 120 MN/m^2 in tension and 90 MN/m^2 in compression are applied to an elastic material at a certain point on planes at right angles to each other. If the maximum principal stress is not to exceed 150 MN/m^2 in tension, to what shearing stress can the material be subjected? What is then the maximum resulting shearing stress in the material? Also find the magnitude of the other principal stress and its inclination to 120 MN/m^2 stress. (8 marks)
Q7. A beam of uniform cross-section and of length 2L is simply supported by rigid supports at its ends and by an elastic prop at its centre. If the prop deflects by an amount λ times the load it carries and if the beam carries a total uniformly distributed load of W find the load carried by the prop if EI is constant throughout the length of beam. (12 marks)
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Frequently asked questions
What is the full form and type of the exam?
Engineering Service (Main) Examination, specifically Civil Engineering Paper I.
In which year was this paper conducted?
2019
Who conducts the Engineering Service (Main) Examination?
Union Public Service Commission (UPSC)
What is the duration of the Civil Engineering Paper I?
Three Hours
What is the maximum marks for the paper?
300 marks
How many questions are there in the paper?
Eight questions divided into two sections (Section A and Section B).