Q. A long column is one whose ratio of effective length to its least lateral dimension exceeds ?

  • (A) 5
  • (B) 10
  • (C) 12
  • (D) 20
πŸ’¬ Discuss
βœ… Correct Answer: (C) 12

Q. The analysis of slab spanning in one directions is done by assuming it to be a beam of ?

  • (A) 1 m length
  • (B) 1 m width
  • (C) 1 m² area
  • (D) none of these
πŸ’¬ Discuss
βœ… Correct Answer: (B) 1 m width

Q. In a reinforced concrete column, the cross-sectional area of steel bar is As, and that of concrete is Ac. The equivalent area of the section in terms of concrete is equal to ?

  • (A) Ac + mAc
  • (B) Ac + mAs
  • (C) As - mAc
  • (D) Ac - mAs
πŸ’¬ Discuss
βœ… Correct Answer: (B) Ac + mAs

Q. The effective depth of a singly reinforced rectangular beam is 300 mm. The section is over reinforced and the neutral axis is 120 mm below the top. If the maximum stress attained by concrete is 5 N/mm² and the modular ratio is 18, then the stress developed in the steel will be ?

  • (A) 130 N/mm²
  • (B) 135 N/mm²
  • (C) 160 N/mm²
  • (D) 180 N/mm²
πŸ’¬ Discuss
βœ… Correct Answer: (B) 135 N/mm²

Q. The portion of the slab which acts monolithically with the beam and which resists the compressive stresses, is called ........... of flange of the T-beam ?

  • (A) breadth
  • (B) thickness
  • (C) depth
  • (D) height
πŸ’¬ Discuss
βœ… Correct Answer: (A) breadth

Q. According to IS: 456-1978, the spacing of stirrups shall not exceed a distance .......... the lever arm of the resisting moment ?

  • (A) equal to
  • (B) double
  • (C) three times
  • (D) four times
πŸ’¬ Discuss
βœ… Correct Answer: (A) equal to

Q. If L is the lever arm in a reinforced concrete beam, S is the total perimeter of the steel bars and F is the shear force, then the bond stress developed in concrete around the steel reinforcement is ?

  • (A) FS / L
  • (B) F.L / S
  • (C) F/SL
  • (D) F.S.L
πŸ’¬ Discuss
βœ… Correct Answer: (C) F/SL

Q. The column head of a flat slab ?

  • (A) increases rigidity of the slab and column connection
  • (B) decreases resistance of the slab to shear
  • (C) increases the effective span of the slab
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) increases rigidity of the slab and column connection

Q. In the case of deformed bars, the value of bond stress for various grades of concrete is greater ............... than the plain bars ?

  • (A) 10%
  • (B) 20%
  • (C) 30%
  • (D) 40%
πŸ’¬ Discuss
βœ… Correct Answer: (B) 20%

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