Building Construction Questions (BC4)

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

1. What will happen if lead sheets are laid in cement mortar as a DPC?

   
   

   1. The lead sheet will form the best DPC
   2. The lead sheet will become porous
   3. The lead sheet will not make a bond with cement mortar.
   4. None of the above

   View Answer

   Answer: b
   Lead sheets should be laid in Lime mortar not in cement mortar as Lead sheets react with cement and are likely to become porous so the very purpose of providing DPC is forfeited.



2. What is the function of sand in mortar?

   
   

   1. It imparts strength and hydraulicity to the mortar
   2. It reduces shrinkage
   3. It prevents the development of cracks on drying
   4. It retards the setting of Lime mortar

   
   

   1. only (i)
   2. Both (i) and (ii)
   3. Both (ii) and (iii)
   4. Both (i) and (iv)

   View Answer

   Answer: c



3. The wedge-shaped blocks forming an arch are called _______.

   
   

   1. Spandril
   2. Voussoirs
   3. Drip Stone
   4. Templates

   View Answer

   Answer: b



4. The sloping surface of a pier or abutment from where the arch springs is called _______.

   
   

   1. Key
   2. Springing Point
   3. Skew Back
   4. Springer

   View Answer

   Answer: c



5. Haunch is an arch is?

   
   

   1. Lower Half Portion
   2. Upper half portion
   3. The Triangular portion between two arches
   4. None of the above

   View Answer

   Answer: a
   Haunch is the lower half portion between the crown and skew back of an arch.
   Spandril is the triangular portion between any two arches.



6. Intrados and extrados are ...

   
   

   1. Outer curve and inner curve of an arch respectively
   2. Inner curve and outer curve of an arch respectively
   3. They are not related to an arch.
   4. Inner and outer side of a beam.

   View Answer

   Answer: b



7. The arch provided over a weak lintel is called _______.

   
   

   1. Inverted arch
   2. Trimmer arch
   3. Jack arch
   4. Relieving arch

   View Answer

   Answer: d



8. The rise in Jack arch varies from ____ to ______ of the span.

   
   

   1. 1/8th, 1/5th
   2. 1/8th, 1/6th
   3. 1/8th, 1/7th
   4. 1/10th, 1/8th

   View Answer

   Answer: b
   Jack arches constructed over rooms to support a roof or floor over them.



9. If the centre lies above the springing line then the arch is called ______.

   
   

   1. Segmental arch
   2. Semi-circular arch
   3. Stilted arch
   4. Horseshoe arch

   View Answer

   Answer: c



10. If the arch ring is less then semi-circle then the arch is called ______.

    
    

    1. Segmental arch
    2. Semi-circular arch
    3. Stilted arch
    4. Horseshoe arch

    View Answer

    Answer: a



11. Which of the following arches has two centres?

    
    

    1. Parabolic arch
    2. Gothic arch
    3. Two cusped arch
    4. Ogee arch

    View Answer

    Answer: b



12. Which of the following arches has multiple centres?

    
    

    1. Parabolic arch
    2. Gothic arch
    3. Two cusped arch
    4. Ogee arch

    View Answer

    Answer: d
    Gothic arches have 2 centres, Two cusped arches have 3 centres and Ogee arches have multiple centres.



13. How much minimum bearing should be provided at each end of lintel?

    
    

    1. 90 mm
    2. 1/10th of the lintel span
    3. Lesser of (a) and (b)
    4. Greater of (a) and (b)

    View Answer

    Answer: d



14. Select the correct statement.

    
    

    1. Arches are strong for point loads
    2. Arches are weak for uniform load
    3. Lintels are strong for uniform load
    4. Lintels are weak for point loads

    View Answer

    Answer: c
    Arches are strong for uniform loads but weak for point loads. Lintels are strong for both uniform and point loads.

prev 1 2 3 4 5 6 7 8 next