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- Question
A prestressed concrete rectangular beam of size 300 mm x 900 mm is prestressed with an initial prestressing force of 700 kN at an eccentricity of 350 mm at midspan. Stress at top of the beam due to prestress alone, in N/mm2 is
Options- A. 46 (tension)
- B. 2.59 (compression)
- C. zero
- D. 8.64 (compression)
- Correct Answer
- 46 (tension)
- 1. The quantity of stone ballast required per metre tangent length, is
Options- A. 1.15 m3
- B. 1.14 m3
- C. 1.13 m3
- D. 1.12 m3
- E. 1.11 m3 Discuss
- 2. A particle executes a simple harmonic motion. While passing through the mean position, the particle possesses
Options- A. maximum kinetic energy and minimum potential energy
- B. maximum kinetic energy and maximum potential energy
- C. minimum kinetic energy and maximum potential energy
- D. minimum kinetic, energy and minimum potential energy
- E. none of these. Discuss
- 3. The minimum strength of the mortar used in load bearing brick masonry, is
Options- A. 50 N/cm2
- B. 100 N/cm2
- C. 150 N/cm2
- D. 200 N/cm2. Discuss
- 4. Roughness index of roads, is expressed as
Options- A. size of the stone on the pavement
- B. number of patches on the pavement
- C. cumulative deformation of surface per horizontal distance
- D. type of the road surface. Discuss
- 5. The most commonly used sampler for obtaining a disturbed sample of the soil is
Options- A. split spoon sampler
- B. open drive sampler
- C. piston sampler
- D. thin wall shelby tube sampler Discuss
- 6. The time for a clay layer to achieve 90% consolidation is 15 years. The time required to achieve 90% consolidation; if the layer were twice as thick, 3 times forr permeable and 4 times more compressible would be :
Options- A. 70 years
- B. 75 years
- C. 80 years
- D. 85 years Discuss
- 7. Which one of the following part of human body withstands minimum radiation
Options- A. thyroid
- B. kidneys
- C. eyes
- D. ovaries/testis. Discuss
- 8. The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
Options- A. Cementation process
- B. Crucible process
- C. Bessemer process
- D. Open hearth process. Discuss
- 9. A compression member consisting of angle sections may be a
Options- A. continuous member
- B. discontinuous single angle strut
- C. discontinuous double angle strut
- D. all the above. Discuss
- 10. The bearing capacity of piles is determined by
Options- A. dynamic formula
- B. static formula
- C. pile load tests
- D. all the above. Discuss
More questions
Correct Answer: 1.11 m3
Correct Answer: maximum kinetic energy and minimum potential energy
Correct Answer: 100 N/cm2
Correct Answer: cumulative deformation of surface per horizontal distance
Correct Answer: split spoon sampler
Correct Answer: 80 years
Correct Answer: ovaries/testis.
Correct Answer: Crucible process
Correct Answer: all the above.
Correct Answer: all the above.
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