Building Construction problems
- 1. Raft foundations are used for :
Options- A. providing increased area of foundation over poor bearing capacity of soil
- B. spanning over small soft or loose pockets
- C. counter acting the hydrostatic effect
- D. all the above. Discuss
Correct Answer: all the above.
- 2. Expansion joints in masonry walls are provided if length exceeds
Options- A. 10 m
- B. 20 m
- C. 30 m
- D. 40 m
- E. 50 m. Discuss
Correct Answer: 40 m
- 3. An arch constructed with finely dressed stones, is known
Options- A. ashlar arch
- B. rubble arch
- C. gauged arch
- D. axed arch. Discuss
Correct Answer: ashlar arch
- 4. For different layers of cement concrete floor. Pick up the incorrect statement from the following :
Options- A. The lowest layer consists of consolidated ground
- B. A 10 cm thick clean sand is laid on consolidated ground
- C. A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
- D. A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer. Discuss
Correct Answer: A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer.
- 5. To obtain good bonding in brick masonry
Options- A. first class bricks are used
- B. vertical joints in alternate courses are kept in plumb line
- C. bats are used where necessary
- D. all the above. Discuss
Correct Answer: all the above.
- 6. The type of ashlar masonry in which stones are finely chisel dressed and thickness of joints does not exceed 3 mm, is
Options- A. chamfered ashlar masonry
- B. ashlar facing masonry
- C. random coursed ashlar masonry
- D. coursed ashlar masonry. Discuss
Correct Answer: coursed ashlar masonry.
- 7. The maximum bearing capacity of soil is that of
Options- A. black cotton soil
- B. loose fine sandy soil
- C. dry coarse sandy soil
- D. hard rocks
- E. soft clay soil. Discuss
Correct Answer: hard rocks
- 8. Pick up the correct statement from the following :
Options- 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. Discuss
Correct Answer: all the above.
- 9. Dampness causes
Options- A. efflorescence
- B. bleaching of paints
- C. crumbling of plaster
- D. growth of termites
- E. none of these. Discuss
Correct Answer: growth of termites
- 10. The black cotton soil
Options- A. undergoes volumetric changes
- B. swells excessively when wet
- C. shrinks excessively when dry
- D. has a tendency of swelling and shrinking due to clay particles
- E. all the above. Discuss
Correct Answer: all the above.
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