Building Construction problems
- 1. The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than
Options- A. the column spacing
- B. one-third the column spacing
- C. half the column spacing
- D. three-fourth the column spacing
- E. none of these. Discuss
Correct Answer: one-third the column spacing
- 2. In jack arch floor, the rise is kept
Options- A. 1/6th of the span
- B. 1/8th of the span
- C. 1/10th of the span
- D. 1/12th of the span
- E. 1/15th of the span. Discuss
Correct Answer: 1/12th of the span
- 3. The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is
Options- A. ridge
- B. hip
- C. valley
- D. none of these. Discuss
Correct Answer: hip
- 4. Black cotton soil is unsuitable for foundations because its
Options- A. bearing capacity is low
- B. permeability is uncertain
- C. particles are cohesive
- D. property to undergo a volumetric change due to variation of moisture content. Discuss
Correct Answer: property to undergo a volumetric change due to variation of moisture content.
- 5. In case of Raymond pile
Options- A. lengths vary from 6 m to 12 m
- B. diameter of top of piles varies from 40 cm to 60 cm
- C. diameter of pile at bottom varies from 20 cm to 28 cm
- D. thickness of outer shell depends upon pile diameter
- E. all the above. Discuss
Correct Answer: all the above.
- 6. The member which is placed horizontally to support common rafter of a sloping roof, is
Options- A. purlin
- B. cleat
- C. batten
- D. strut. Discuss
Correct Answer: purlin
- 7. Pick up the correct statement from the following :
Options- A. inclined borings are made for taking samples under existing structures
- B. inclined borings are occasionally used instead of vertical holes.
- C. the spacing of inclined borings is kept such that one bore hole is vertically above the bottom of an adjacent bore hole.
- D. all the above. Discuss
Correct Answer: all the above.
- 8. The under surface of an arch, is called
Options- A. soffit
- B. intrados
- C. haunch
- D. back. Discuss
Correct Answer: soffit
- 9. While designing a stair, the product of rise and going is approximately kept equal to
Options- A. 350
- B. 420
- C. 450
- D. 500
- E. 600. Discuss
Correct Answer: 420
- 10. The concrete slump recommended for beams and slabs ; is
Options- A. 25 to 50 mm
- B. 25 to 75 mm
- C. 30 to 125 mm
- D. 50 to 100 mm
- E. none of these. Discuss
Correct Answer: 30 to 125 mm
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