CE-402 Construction Technology - Nov 2023 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aExplain the forces acting on foundations with neat sketch.
   How to answer

   • Definition of foundation and purpose of load transfer
   • List of forces: dead load, live load, wind/seismic, soil pressure, uplift
   • Neat sketch showing vertical and lateral forces on footing
   • Brief explanation of each force effect
2. 7 Marks
   bWhat precautions are required to ensure proper grip in case of bearing piles on rock surfaces

   1. i)If it is a driven pile
   2. ii)If it is a cast in-situ pile?
   How to answer

   • Requirement of proper grip/bearing of pile on rock
   • Precautions for driven pile: cleaning, seating, cushioning, driving control
   • Precautions for cast in-situ pile: cleaning bore, inspection, concreting
   • Prevention of sliding and ensuring full contact
3. 7 Marks
   aWrite down the applications and advantages of plastic formwork in concrete construction.
   How to answer

   • Introduction to plastic formwork for concrete
   • Typical applications: walls, slabs, columns, repetitive housing
   • Advantages: lightweight, reusable, water resistant, smooth finish
   • Limitations/handling notes
4. 7 Marks
   bExplain about the construction features of different types of temporary structures.
   How to answer

   • Meaning of temporary structures in construction
   • Types: scaffolding, shuttering, shoring, underpinning, cofferdams
   • Construction features of each type
   • Selection and safety aspects
5. 7 Marks
   aWrite short note on white washing and color washing.
   How to answer

   • Definition of white washing: lime based coating
   • Definition of color washing: pigment added to white wash
   • Materials, preparation and application steps
   • Uses and differences
6. 7 Marks
   bDefine the following:

   1. i)Hollow concrete block
   2. ii)Distempering
   How to answer

   • Hollow concrete block: definition, voids, uses
   • Distempering: definition, materials and application
   • Distinction from white washing/painting
   • Advantages in building finishing
7. 7 Marks
   aWrite down the types of floor in detail with neat diagram.
   How to answer

   • Classification of floors: mud, brick, stone, concrete, timber, tiled, terrazzo
   • Construction details of each type
   • Neat labelled diagrams/sections
   • Suitability and selection criteria
8. 7 Marks
   bState requirements of good lighting and good ventilation in buildings.
   How to answer

   • Need for lighting and ventilation in buildings
   • Requirements of good lighting: intensity, glare-free, orientation
   • Requirements of good ventilation: air changes, window area, orientation
   • Codal/functional guidelines
9. 14 Marks
   What is Retrofitting? What is meant by global and local retrofitting?
   How to answer

   • Definition of retrofitting in construction
   • Need for retrofitting of structures
   • Global retrofitting: whole-structure strengthening
   • Local retrofitting: member-level strengthening with examples
10. 14 Marks
    Define Dampness in building and what are the effects, causes and prevention of dampness in building.
    How to answer

    • Definition of dampness in buildings
    • Effects: efflorescence, corrosion, unsanitary conditions
    • Causes: rising damp, rain penetration, condensation, faulty drainage
    • Prevention: DPC, waterproofing, drainage, surface treatment
11. 7 Marks
    aWrite down the construction procedure of Bengal terrace roof with diagram.
    How to answer

    • Introduction to Bengal terrace roof
    • Materials: bricks, lime, tiles and supports
    • Step-by-step construction procedure
    • Neat cross-sectional diagram of terrace roof
12. 7 Marks
    bExplain seismic construction with stone masonry as per codal provisions.
    How to answer

    • Seismic risk for stone masonry buildings
    • Codal provisions: through stones, bands, vertical reinforcement
    • Construction details for earthquake resistance
    • Do's and don'ts as per code
13. 14 Marks
    Write short notes on the following:

    1. i)DPC
    2. ii)Terrazzo flooring
    3. iii)Composite masonry
    4. iv)Common rafters and purlins
    How to answer

    • DPC: purpose, materials, location and thickness
    • Terrazzo flooring: mix, laying, polishing
    • Composite masonry and common rafters/purlins: definitions and functions
    • Sketches/uses for each item