Building Construction Questions (BC7)

In this post, I will share some important questions which are frequently asked in competitive examinations such as SSC, UPSC and state PSCs.


  1. Which of the following roofs has a slope in two directions with a break in the slope?


    1. Gable Roof
    2. Gambrel Roof
    3. Hipped Roof
    4. Mansard Roof

    View Answer
    Answer: b

  2. Which of the following roofs has a slope in four directions with a break in the slope?


    1. Gable Roof
    2. Gambrel Roof
    3. Hipped Roof
    4. Mansard Roof

    View Answer
    Answer: d
    Gable Roof = Slopes in two directions
    Gambrel Roof = Slopes in two directions with a break in slope
    Hipped Roof = Slopes in four directions
    Mansard Roof = Slopes in four directions with a break in the slope.

  3. A wooden board fixed along the eaves at the end of common rafters is known as ______.


    1. Hip
    2. Fascia Board
    3. Gable
    4. Barge

    View Answer
    Answer: b
    Facia board is also known as Eaves board.

  4. What is Hip?


    1. The lowest edge of the surface of a sloping roof.
    2. The line of intersection of surfaces of a sloping roof forming an external angle exceeding $180^\circ$
    3. The line of intersection of surfaces of a sloping roof forming an external angle less than $180^\circ$
    4. None of the above

    View Answer
    Answer: b
    The line of intersection of surfaces of a sloping roof forming an external angle exceeding $180^\circ$ is known as Hip.
    The line of intersection of surfaces of a sloping roof forming an external angle less than $180^\circ$ is known as Valley.

  5. The end of a sloping roof finished in a vertical triangle is called ______.


    1. Gable
    2. Barge
    3. Cleats
    4. Pitch

    View Answer
    Answer: a
    The end of a sloping roof finished in a vertical triangle is called Gable.
    The finished edge of slating or tiling overhanging a gable wall is called Barge.

  6. A Couple roof is suitable for span up to _______.


    1. 3 m
    2. 3.5 m
    3. 4 m
    4. 4.5 m

    View Answer
    Answer: b

  7. A Close couple roof is suitable for span up to _______.


    1. 3 m
    2. 3.5 m
    3. 4 m
    4. 4.5 m

    View Answer
    Answer: d

  8. A Collar Beam in Collar is provided at ______ of the vertical height from the wall to ridge.


    1. 1/3 or 1/2
    2. 1/2 or 2/3
    3. 2/3 or 3/4
    4. At any height

    View Answer
    Answer: b

  9. If the span of the roof is between 6 m and 9 m, Which of the following roofs will be constructed?


    1. Close couple roof
    2. King Post Truss
    3. Queen Post Truss
    4. Mansard Roof Truss

    View Answer
    Answer: b
    For Close couple roof, span varies from 4.5 to 5.5 m
    For Queen Post truss, Span varies from 9 to 13.5 m
    For Mansard Roof truss, it varies from 9.5 to 13.5 m.

  10. In a Mansard Roof truss, the lower slope should not be steeper than _____.


    1. $60^\circ$
    2. $65^\circ$
    3. $70^\circ$
    4. $75^\circ$

    View Answer
    Answer: d

  11. Which of the following roof covering material is the cheapest and lightest?


    1. Thatch
    2. Slates
    3. Plain Tiles
    4. AC sheets

    View Answer
    Answer: a

  12. Which of the following tiles are laid in a pair?


    1. Pan Tiles
    2. Allahabad Tiles
    3. Mangalore Tiles
    4. Plain Tiles

    View Answer
    Answer: b
    Allahabad tiles are laid in a pair as under tiles and over tiles.

  13. What is the pitch of Turnall Trafford asbestos cement sheet?


    1. 230 mm
    2. 260 mm
    3. 330 mm
    4. 350 mm

    View Answer
    Answer: c






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