Building Construction Questions (BC6)

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


  1. Steps of uniform width are known as _______.


    1. Balusters
    2. Fliers
    3. Winder
    4. None of the above

    View Answer
    Answer: b
    Steps of uniform width are known as FLIERS while steps of non-uniform width are known as WINDERS. fliers are rectangular in plan and Winders are triangular in plan.

  2. Which of the followig is provided for changing the direction of a stair?


    1. Balusters
    2. Fliers
    3. Winder
    4. None of the above

    View Answer
    Answer: c
    Winders are provided for changing the direction of a stair and should be avoided as far as possible since they are dangerous for quick movements of the users.

  3. Which of the following is provided at the bottom, top and at the turning points in a stair to support the hand rail?


    1. Balusters
    2. Newel Post
    3. String
    4. None of the above

    View Answer
    Answer: b
    Newel post is provided at the bottom, top and at the turning points in a stair to support the hand rail.
    Balusters are the vertical members provided in between the steps and the hand rail.

  4. Which of the following stairs can be provided with winders?


    1. Dog-Legged Stair
    2. Newel Stair
    3. Quarter Turn Stair
    4. None of the above

    View Answer
    Answer: c
    Quarter turn stairs can be provided with winders.

  5. Which of the following stairs has space between its forward and backward flights?


    1. Dog-Legged Stair
    2. Newel Stair
    3. Quarter Turn Stair
    4. None of the above

    View Answer
    Answer: b
    Newel stairs are also known as open well stairs.

  6. What is the minimum and maximum slope of a stair respectively?


    1. $25^\circ$ and $40^\circ$
    2. $30^\circ$ and $50^\circ$
    3. $25^\circ$ and $50^\circ$
    4. $30^\circ$ and $40^\circ$

    View Answer
    Answer: a
    The slope of a stair should neither be more than $40^\circ$ nor less than $25^\circ$.

  7. What is the maximum and minimum number of steps in a flight respectively?


    1. 15 and 5
    2. 12 and 3
    3. 10 and 2
    4. 16 and 4

    View Answer
    Answer: b

  8. The sum of rise and tread should be in between ________.


    1. 300 and 400 mm
    2. 350 and 450 mm
    3. 400 and 450 mm
    4. 400 and 500 mm

    View Answer
    Answer: c

  9. What is the minimum value of tread in Indutrial buildings?


    1. 200 mm
    2. 150 mm
    3. 250 mm
    4. 190 mm

    View Answer
    Answer: c
    Minimum value of tread is 250 mm and maximum value of rise is 190 mm in a staircase of an industrial building.

  10. The projection of tread beyond the riser is called _______.


    1. Pointing
    2. Nosing
    3. Projection
    4. None of the above

    View Answer
    Answer: b

  11. What is the minimum headroom above any step?


    1. 1.5 m
    2. 2 m
    3. 2.5 m
    4. 1.8 m

    View Answer
    Answer: b

  12. Slab component of the stair spans


    1. in longitudinal direction
    2. in transverse direction
    3. either (a) and (b)
    4. both (a) and (b)

    View Answer
    Answer: c
    Slab component of the stair span either in longitudinal direction or transverse direction.






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