Building Construction 1000+ MCQ with answer for RRB NTPC

1. 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

2. Pick up the correct statement from the following:
A. Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster
B. For very cold or very hot climate, a compact and closed plan should be provided
C. On the sea coast, an exposed and open house is generally preferred
D. All the above
Answer : D

3. Pick up the correct statement from the following:
A. The cost of square rooms is less
B. The expenditure on the foundation and roof for the double storeyed building is nearly half of that for the ground storeyed building
C. The cost of construction of a house may be minimised by restricting the height floors
D. All the above
Answer : D

4. The mortar in which both cement and lime are used as binding materials, is called
A. Cement mortar
B. Lime mortar
C. Fire resistant mortar
D. Gauged mortar
Answer : D

5. While designing a stair, the product of rise and going is approximately kept equal to
A. 350
B. 420
C. 450
D. 500
Answer : B

6. The type of pile which is driven at an inclination to resist inclined forces is known as
A. Friction pile
B. Sheet pile
C. Batter pile
D. Anchor pile
Answer : C

7. 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

8. 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

9. Bearing capacity of soils cannot be improved by
A. Draining sub-soil water
B. Ramming crushed stone in soil
C. Driving sand piles
D. Watering surface of soil
Answer : D

10. 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

11. A wooden block hinged on post outside a door, is known
A. Cleat
B. Stop
C. Horn
D. None of these
Answer : A

12. Pick up the correct statement from the following:
A. Sand consists of coarse particles of silica formed due to the disintegration of rocks
B. The grains of sand are not affected by frost
C. Sand beds are permeable and do not allow water to rise up between pores due to capillary action
D. All the above
Answer : D

13. The foundation in which a cantilever beam is provided to join two footings, is known as
A. Strip footing
B. Strap footing
C. Combined footing
D. Raft footing
Answer : B

14. 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

15. The position of a brick when laid on its side 9 cm × 9 cm with its frog in the vertical plane, is called
A. Brick on edge
B. Brick on end
C. Brick on bed
D. Brick held vertically
Answer : B

16. 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

17. 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

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

19. Herringbone bond is used for
A. Walls having thickness more than 4 bricks
B. Architectural finish to the face work
C. Ornamental panels in brick flooring
D. All the above
Answer : D

20. 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

21. 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

22. A floor constructed with 3 mm marble chips, is known
A. Mosaic floor
B. Terrazzo floor
C. Chips floor
D. Marble floor
Answer : B

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

24. 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

25. 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

26. Pick up the correct statement from the following:
A. In a king post truss, principal rafter and tie beams are jointed together with a bridle joint
B. Joint between the principal rafter and the king post is made by making tenon and mortise respectively
C. Joint between strut and king post, is generally of mortise and tenon type
D. All the above
Answer : D

27. Pick up the incorrect statement from the following:
A. The function of foundation is to distribute the load of super structure over a large bearing area
B. No timbering is required for shallow trenches
C. Shallow foundations can be constructed on made-up soil
D. Black cotton soil is very good for foundation bed
Answer : D

28. The rock formed from the solidification of molten matter (magma) is called:
A. Sedimentary rock
B. Metamorphic rock
C. Igneous rock
D. None of the above
Answer : C

29. In high mountainous region, the type of roof generally recommended for buildings, is
A. Shed type
B. Gable type
C. Gambrel type
D. Mansard type
Answer : C

30. The window which projects outside a room of a building for admitting more light and air, is known
A. Bay window
B. Casement window
C. Lantern window
D. Dormer window
Answer : A

31. The bearing capacity of a water logged soil, may be improved by
A. Grouting
B. Chemical action
C. Drainage
D. Compaction
Answer : C

32. Single Flemish bond consists of
A. Double Flemish bond facing and English bond backing in each course
B. English bond facing and double Flemish bond backing in each course
C. Stretcher bond facing and double Flemish bond backing in each course
D. Double Flemish bond facing and header bond backing in each course
Answer : A

33. The service area in a building means the area occupied by
A. Stairs
B. Toilets
C. Light and shafts
D. All the above
Answer : D

34. Pick up the correct statement from the following:
A. A mortar joint having a concave finishing in brick masonry, is called keyed joint
B. A mortar joint projecting beyond the face of a masonry wall, is called tucked joint
C. A mortar joint having a recess in it, is called ruled joint
D. All the above
Answer : D

35. In which of the following directions, the strength of timber is maximum?
A. Parallel to grains
B. 45° to grains
C. Perpendicular to grains
D. Same in all directions
Answer : A

36. Pick up the correct statement from the following:
A. The roof slabs of multi-storeyed buildings are constructed monolithically to carry the various floor loads
B. The beams of multi-storeyed buildings rest on girders and are the main load transferring members to the columns
C. The slab is spanned across the secondary beams provided between the main beams
D. All of these
Answer : D

37. According to Rankine's formula, minimum depth of foundations, is
A. (P/w) × [(1 + sin ?)/(1 - sin ?)]²
B. (P/w) × [(1 - sin ?)/(1 + sin ?)]²
C. (P/2w) × [(1 - sin ?)/(1 + sin ?)]²
D. (P/w) × [(1 + sin ?)/(1 - sin ?)]
Answer : B

38. If a is the offset of concrete bed in cms, and d is the depth of concrete bed in cms, then
A. d = 0.445 a
B. d = 0.557 a
C. d = 0.775 a
D. None of these
Answer : C

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

40. 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

41. 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

42. 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

43. In soft clay of low bearing capacity, the type of steel pile generally used, is
A. H-pile
B. Screw pile
C. Disc pile
D. Pipe pile
Answer : B

44. 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

45. 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

46. You are asked to design and supervise a truss for a factory to have spans 6 m to 9 m. The type of the truss you will use, is
A. Mansard truss
B. Queen post truss
C. King post truss
D. Collar truss
Answer : C

47. The maximum number of steps in a flight should generally be restricted to
A. 10
B. 12
C. 15
D. No limit
Answer : B

48. 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

49. A pointed arch which forms isosceles or equilateral triangle, is generally known as
A. Three centred arch
B. Two centred arch
C. Lancet arch
D. Bull's eye arch
Answer : C

50. In verandah floors outward slope is
A. 1 in 40
B. 1 in 50
C. 1 in 60
D. 1 in 70
Answer : C