Building Construction 1000+ MCQ with answer for SSC CPO

1. Pick up the correct statement from the following:
A. A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads
B. A combined footing may be either rectangular or trapezoidal in shape
C. Trapezoidal shaped footings may be provided under any loading
D. All the above
Answer : D

2. The range of spread from the wall base to outer edge of a brick work foundation does not exceed
A. 1/2 horizontal to 1 vertical
B. 2/3 horizontal to 1 vertical
C. 1 horizontal to 1 vertical
D. 2 horizontals to 1 vertical
Answer : C

3. The depth of concrete bed of the foundation depends upon
A. The projection of the concrete block beyond the footing over it
B. The upward soil pressure
C. The mix of the concrete
D. All the above
Answer : D

4. The form work from the underside of slabs, can be removed only after
A. 1 day
B. 4 days
C. 7 days
D. 14 days
Answer : C

5. The stone whose crushing strength is maximum, is
A. Granite
B. Chalk
C. Slate
D. Sand stone
Answer : A

6. 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

7. According to National Building Code, the hydrants in water mains is provided at minimum interval of
A. 50 m
B. 60 m
C. 75 m
D. 90 m
Answer : C

8. 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

9. The piece of a brick cut along the centre of width in such a way that its length is equal to that of full brick, is called
A. Half brick
B. Queen closer
C. King closer
D. Bevelled closer
Answer : B

10. The radial splits which are wider on the outside of the log and narrower towards the pith are known as
A. Heart shakes
B. Cupshakes
C. Starshakes
D. Rindgalls
Answer : C

11. The nominal thickness of an expansion joint in brick walls, is kept more than
A. 5 mm
B. 10 mm
C. 15 mm
D. 20 mm
Answer : D

12. The vertical members fixed between steps and hand rail, are known
A. Balusters
B. Strings
C. Newel posts
D. Soffits
Answer : A

13. The angular steps used for changing direction of the stairs, are called
A. Round steps
B. Angular steps
C. Winders
D. Radial steps
Answer : C

14. Nogging of a common wooden partition is
A. Upper horizontal wooden member
B. Lower horizontal wooden member
C. Intermediate horizontal wooden member
D. Vertical wooden member
Answer : C

15. The angle between skew back of a flat arch and the horizontal, is kept approximately equal to
A. 0°
B. 30°
C. 60°
D. 90°
Answer : C

16. The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called
A. Ridge board
B. Hip rafter
C. Eaves board
D. Valley rafter
Answer : A

17. For the construction of flyovers in sandy soils, the type of foundation provided, is
A. Strap footing
B. Raft footing
C. Combined footing
D. Pier footing
Answer : D

18. The predominant constituent which is responsible for strength in granite is
A. Quartz
B. Felspar
C. Mica
D. None of the above
Answer : A

19. Pick up the correct specification of one-room quarters generally adopted from the following:
A. Six quarters in a row
B. The size of room is either 3.5 m × 3 m or 4.2 m × 2.5 m
C. The front verandah is kept 2 m wide
D. All the above
Answer : D

20. The type of roof which slopes in two directions with a break in the slope on each side is known as
A. Gable roof
B. Hip roof
C. Gambrel roof
D. Mansard roof
Answer : C

21. 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

22. The type of pointing in which upper side of mortar joints is kept about 12 mm inside the face of the masonry and bottom is kept flushed with face of wall, is
A. Truck pointing
B. Recessed pointing
C. Struck pointing
D. Grooved pointing
Answer : C

23. 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

24. In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used
A. Vibro pile
B. Pressure pile
C. Franki pile
D. Pedestal pile
Answer : A

25. The strength of brick masonry in 1:6 cement mortar, is
A. 20 tonnes/m²
B. 40 tonnes/m²
C. 50 tonnes/m²
D. 60 tonnes/m²
Answer : C

26. The type of joint commonly used at the junction of a principal rafter and tie beam in timber trusses is
A. Mortise and tenon joint
B. Oblique mortise and tenon joint
C. Butt joint
D. Mitred joint
Answer : B

27. In case of multi-storeyed buildings, the forms to be removed first are
A. Sides of beams and girders
B. Column forms
C. Bottom of beams and girders
D. All the above at the same time
Answer : A

28. The nominal thickness of one brick wall in mm, is
A. 90 mm
B. 150 mm
C. 190 mm
D. 200 mm
Answer : D

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

30. If height of the first storey of a building is 3.2 m and riser is 13 cm, the number of treads required, is
A. 12
B. 18
C. 24
D. 25
Answer : C

31. Pick up the correct statements from the following:
A. Cracks appear on the plastered surface in the form of hair cracks
B. In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
C. Excessive thermal variations in the backing or plaster causes the plaster to fall
D. All the above
Answer : D

32. In flat roof of reinforced cement concrete, the recommended angle of slope, is
A. Zero
B. A few degrees
C. 10°
D. 200°
Answer : B

33. The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is
A. Ridge
B. Hip
C. Valley
D. None of these
Answer : B

34. Minimum width of landing should be
A. Equal to width of stairs
B. Half the width of stairs
C. Twice the width of stairs
D. One fourth the width of stairs
Answer : A

35. Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below:
A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer : A

36. The minimum width of a stair in residential buildings, is
A. 55 cm
B. 70 cm
C. 85 cm
D. 100 cm
Answer : C

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

38. Stability of an existing structure may be disturbed by
A. Rising of water table
B. Vibrations caused by traffic movements
C. Mining in the neighbourhood
D. All the above
Answer : D

39. In the method of tube boring of soil investigation, the following is essential:
A. A tube of about 2 metres length and 20 cm diameter with a cutting edge
B. A flap valve at the bottom of tube is provided to extract the soil sample
C. The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
D. All the above
Answer : D

40. 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

41. Rotary drilling
A. Is not suitable for deposits containing very coarse gravel
B. Hinders the ground water observations and permeability test
C. Is not economical for holes of less than 10 cm
D. All the above
Answer : D

42. The maximum total settlement for isolated foundations on clayey soils should be limited to
A. 25 mm
B. 40 mm
C. 65 mm
D. 100 mm
Answer : C

43. The voussoir placed at crown of an arch, is known as a
A. Key
B. Soffit
C. Springer
D. Haunch
Answer : A

44. The depth of excavation of foundations, is generally measured with a
A. Ranging rod
B. Steel tape
C. Levelling staff
D. Boning rod
Answer : D

45. The type of arch used for high class buildings where appearance is of prime importance, is known as
A. Ashlar arch
B. Rubble arch
C. Gauged brick arch
D. Axed brick arch
Answer : A

46. Exposed portions of vertical surface at right angles to the door or window frame, are known as
A. Jambs
B. Lintels
C. Reveals
D. Soffits
Answer : C

47. Pick up the incorrect statement from the following:
A. Horizontal D.P.C. is provided at plinth level in internal walls
B. D.P.C. is provided under door and verandah openings
C. Vertical D.P.C. is not provided in internal walls
D. Cement concrete is a rigid damp-proofing material
Answer : B

48. Pick up the correct statement from the following:
A. D.P.C. should be continuous
B. D.P.C. should be of good impervious material
C. D.P.C. may be horizontal or vertical
D. All the above
Answer : D

49. 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

50. The concrete slump recommended for foundations, is
A. 25 to 50 mm
B. 30 to 125 mm
C. 50 to 100 mm
D. 75 to 125 mm
Answer : C