Building Construction 1000+ MCQ with answer for GATE

1. The pile which supports the load due to friction between pile face and surrounding soil, is generally known as
A. Bearing pile
B. Friction pile
C. Sheet pile
D. Battered pile
Answer : B

2. Pick up the correct statement from the following:
A. English bond is used for brick masonry to support heavy loads
B. Double-Flemish bond is suitable for brick masonry to give uniform face appearance
C. The stretcher bond is used for the construction of half brick masonry brick
D. All the above
Answer : D

3. The minimum depth of foundation in clayey soils is
A. 0.5 m
B. 0.7 m
C. 0.9 m
D. 1.2 m
Answer : C

4. In the construction of arches, sand box method is used for
A. Centring
B. Actual laying of arch work
C. Striking of centring
D. None of the above
Answer : C

5. The depth of the ground water table may be ascertained by
A. Looking through the well in the vicinity
B. Standing on the well in the vicinity
C. Measuring the depth of water in the well
D. None of the above
Answer : C

6. Suitable spacing of timber piles, is
A. 50 cm
B. 60 cm
C. 80 cm
D. 90 cm
Answer : D

7. The function of cleats in a roof truss is
A. To support the common rafter
B. To support purlins
C. To prevent the purlins from tilting
D. All of the above
Answer : C

8. The pile which is provided with a bulb filled with concrete at its lower end, is known as
A. Simplex pile
B. Mac-Arthur pile
C. Raymond pile
D. Franki pile
Answer : B

9. The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is
A. 10 cm
B. 15 cm
C. 20 cm
D. 25 cm
Answer : C

10. As compared to English bond, double Flemish bond is
A. Stronger
B. More compact
C. Costly
D. None of the above
Answer : B

11. The 19 cm × 9 cm side of a brick as seen in the wall face, is generally known as
A. Stretcher
B. Face
C. Front
D. Header
Answer : A

12. For a wall carrying heavy load on low bearing capacity soil,
A. Lean concrete bed is provided
B. Thick concrete bed is provided
C. Reinforced concrete bed is provided
D. Both (a) and (c) of the above
Answer : D

13. The stone masonry of finely dressed stones laid in cement or lime, is
A. Random rubble masonry
B. Coursed rubble masonry
C. Dry rubble masonry
D. Ashlar masonry
Answer : D

14. Pick up the correct statement from the following:
A. Cavity of a cavity wall should start near ground level
B. Cavity of a cavity wall should terminate near eaves level of sloping roof
C. Cavity of a cavity wall should terminate near coping of flat roof with parapet wall
D. All the above
Answer : D

15. A stair should not have pitch more than
A. 25°
B. 30°
C. 40°
D. 50°
Answer : C

16. The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is
A. Cork flooring
B. Glass flooring
C. Wooden flooring
D. Linoleum flooring
Answer : A

17. The piece of a brick cut with its one corner equivalent to half the length and half the width of a full brick, is known as
A. Queen closer
B. Bevelled closer
C. King closer
D. Half king closer
Answer : C

18. The brick laid with its length parallel to the face of a wall, is a known as
A. Header
B. Stretcher
C. Closer
D. None of these
Answer : B

19. Pick up the incorrect statement from the following:
A. The retaining wall should be structurally capable to resist the applied earth pressure
B. The section of the retaining wall should be so proportioned that it may not overturn by the lateral pressure
C. The retaining wall should be safe against sliding
D. To drain off water from the earth retained, weep holes are provided near the top of the retaining wall
Answer : D

20. Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to
A. 1/2
B. 1
C. 2
D. 1/4
Answer : A

21. The bond in which headers and stretchers are laid in alternate courses and every stretcher course is started with a three fourth brick bat, is known as
A. English cross bond
B. Dutch bond
C. Monk bond
D. Rat-trap bond
Answer : B

22. Gravels
A. Are cohesionless aggregates
B. Vary in size between 2 to 20 mm
C. Never swell when they come into contact with water
D. All the above
Answer : D

23. The Auger borings are not common
A. In soils that require lateral support
B. In cohesive soils
C. In soft soils
D. None of the above
Answer : A

24. Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m². If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:
A. Distance of C.G. of the loads from the smaller column = 3.00 m
B. The length of the foundation slab = 7.00 m
C. Area of footing slab = 11.00 m2
D. All the above
Answer : D

25. A concrete structure is set on fire and the temperature raises to 1000°C. The strength of concrete as compared to original strength reduces to
A. 10 %
B. 15 %
C. 20 %
D. 25 %
Answer : C

26. Raft foundation are generally preferred to when the area required for individual footing, is more than
A. 25% to total area
B. 30% of total area
C. 40% to total area
D. 50% of total area
Answer : D

27. The width of the hollow space between two walls of a cavity wall should not exceed
A. 5 cm
B. 7.5 cm
C. 10 cm
D. 15 cm
Answer : C

28. A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called
A. Retaining wall
B. Breast wall
C. Buttress
D. Parapet wall
Answer : B

29. The concrete slump recommended for beams and slabs; is
A. 25 to 50 mm
B. 25 to 75 mm
C. 30 to 125 mm
D. 50 to 100 mm
Answer : C

30. The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed
A. 5 m
B. 10 m
C. 15 m
D. 20 m
Answer : A

31. For providing a raft foundation, the following activities are involved
1. Ramming the foundation bed
2. Excavation of the soil upto required depth
3. Laying the reinforcement over the foundation bed
4. Curing the cement concrete placed over reinforcement
5. Pouring the cement concrete over the reinforcement The correct sequence is
A. 1, 2, 3, 4, 5
B. 5, 4, 3, 2, 1
C. 2, 1, 3, 5, 4
D. 3, 2, 5, 1, 4
Answer : C

32. In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to
A. Increase the depth of foundation
B. Drain the soil
C. Compact the soil
D. Replace the poor soil
Answer : D

33. Pick up the correct statement from the following:
A. Isolated footing is provided under column to transfer the load safely to soil bed
B. Column footings may have steps or projections in the concrete base
C. Heavily loaded column base must be provided steel reinforcement in both directions
D. All the above
Answer : D

34. A solid core of rock is formed inside the cylinder in the case of
A. Auger boring
B. Percussion drilling
C. Diamond drilling
D. Wash boring
Answer : C

35. The stepped structure provided for lateral support of a structure, is
A. Retaining wall
B. Breast wall
C. Buttress
D. Parapet wall
Answer : C

36. The 9 cm × 9 cm side of a brick as seen in the wall face, is generally known as
A. Stretcher
B. Face
C. Front
D. Header
Answer : D

37. Pick up the incorrect statement from the following:
A. The width of the wall is constructed thicker at the base in a stepped fashion
B. A long vertical load transferring concrete structure is called a concrete pile
C. In pile which transfers the load to the soil by the friction between the pile and the surrounding soil is called friction pile
D. The pile which transfers the load to a hard rock bed at certain depth is called load bearing
Answer : D

38. The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than
A. The column spacing
B. One-third the column spacing
C. Half the column spacing
D. Three-fourth the column spacing
Answer : B

39. Pick up the incorrect statement from the following:
A. In king post truss, one vertical post is used
B. In a queen post truss, one vertical post is used
C. In a queen post truss, two vertical posts are used
D. None of these
Answer : B

40. In jack arch floor, the rise is kept
A. 1/6th of the span
B. 1/8th of the span
C. 1/10th of the span
D. 1/12th of the span
Answer : D

41. For effective drainage, the finished surface of flat roof should have a minimum slope of
A. 1 in 20
B. 1 to 50
C. 1 in 10
D. 1 in 5
Answer : A

42. A pre-stressed concrete pile is
A. Easy to handle
B. Lighter in weight
C. Extremely durable
D. All the above
Answer : D

43. The wedge shaped bricks forming an arch ring, are called
A. Soffits
B. Voussoirs
C. Haunches
D. Spandrils
Answer : B

44. To stagger vertical joints in successive courses of a wall, a piece of brick is generally used at the end of the course, which is known as
A. Bat
B. Header
C. Stretcher
D. Closer
Answer : D

45. In English garden wall bond
A. One course of headers to three or five course of stretchers
B. Queen closer in provided in each heading course
C. The middle course of stretchers is started with a header to give proper vertical joints
D. All the above
Answer : D

46. The function of king post in a king post roof truss is
A. To support the frame work of the roof
B. To receive the ends of principal rafter
C. To prevent the walls from spreading outward
D. To prevent the tie beam from sagging at its centre
Answer : D

47. In any good staircase, the maximum and minimum pitch respectively should be
A. 90° and 0°
B. 75° and 30°
C. 60° and 10°
D. 40° and 25°
Answer : D

48. Slate
A. Is a metamorphic rock
B. Splits into thin sheets along its bedding planes
C. Has a smooth surface and contains alumina and silica
D. Possesses good water absorption capacity
Answer : A

49. In a colar beam roof
A. There is no horizontal tie beam
B. There is a horizontal tie at the feet of rafters only
C. There is a horizontal tie at almost the middle of rafters only
D. There are two horizontal ties, one at the feet and other at the middle of the rafters
Answer : C

50. While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful:
A. Pile formation
B. Raft foundation
C. Grillage foundation
D. None of these
Answer : B