Building Construction MCQ Questions & Answers

81

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

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Answer & Solution

Answer: Option D

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82

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

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Answer: Option D

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83

Pick up the incorrect statement from the following:

A) Cement is added to lime mortar to increase its hydraulic properties only B) Lime surkhi mortar is used for pointing the walls C) Lime should be slaked before preparing lime mortar D) High early strength concrete is generally used in cold weather

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Answer: Option A

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84

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

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Answer: Option D

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85

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) Width of the footing = 1.57 m E) All the above

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Answer & Solution

Answer: Option E

Solution:

1. Distance of C.G. of the loads from the smaller column = 3.00 m
- The center of gravity (C.G.) of the loads is calculated based on the moment balance principle considering the load distribution.

2. The length of the foundation slab = 7.00 m
- The slab length is determined by considering the center-to-center distance between columns and the permissible projection of the footing beyond the smaller column.

3. Area of footing slab = 11.00 m²
- The total area is calculated as the total load divided by the permissible bearing capacity of the soil.

4. Width of the footing = 1.57 m
- The width of the footing is derived by dividing the area of the footing by its length.

5. All the above
- All the given options satisfy the design conditions and are correct.

86

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

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Answer: Option D

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87

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

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Answer: Option B

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88

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

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Answer: Option D

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89

Pick up the incorrect statement from the following:

A) In dog-legged stairs, no space between its flights is provided B) In open newel stair, a rectangular well is provided C) In geometric stair, a curved shaped well between forward and backward flights, is provided D) In geometrical stair, two quarter space landing is provided

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Answer: Option D

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90

Pick up the incorrect statement from the following:

A) In Flemish bond, headers and stretchers are laid alternately in the same course B) In Flemish bond every header in each course lies centrally over every stretcher of the underlying course C) In English bond, stretchers are laid in every course D) In English bond, headers and stretchers are laid in alternate courses

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Answer & Solution

Answer: Option C

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Building Construction MCQ Questions & Answers | Civil Engineering