Q. The cube strength of the concrete used for pre-stressed member should not be less than ?

  • (A) 10 N/mm²
  • (B) 25 N/mm²
  • (C) 35 N/mm²
  • (D) 50 N/mm²
πŸ’¬ Discuss
βœ… Correct Answer: (C) 35 N/mm²

Q. When a beam is loaded with transverse loads, the bending moment ?

  • (A) remains constant at every section
  • (B) varies from section to section
  • (C) develops shear stresses in the beam
  • (D) Both b and c
πŸ’¬ Discuss
βœ… Correct Answer: (D) Both b and c

Q. For M 15 grade concrete, the section is to be redesigned if shear stress is more than ?

  • (A) 0.5 N/mm²
  • (B) 1 N/mm²
  • (C) 1.5 N/mm²
  • (D) 2 N/mm²
πŸ’¬ Discuss
βœ… Correct Answer: (D) 2 N/mm²

Q. In a combined footing, the reinforcement should be placed ?

  • (A) on the bottom face for sagging bending moment
  • (B) on the top face for hogging bending moment
  • (C) on the bottom face for hogging bending moment
  • (D) both a and b
πŸ’¬ Discuss
βœ… Correct Answer: (D) both a and b

Q. When the lever arm of a reinforced concrete bream is z and width of beam is b, then the maximum shear stress in a beam subjected to shear force F will be equal to ?

  • (A) Fb/z
  • (B) F/bz
  • (C) Fz/b
  • (D) Fzb
πŸ’¬ Discuss
βœ… Correct Answer: (B) F/bz

Q. For a slab spanning in two directions, the ratio of span to the depth of slab should not exceed ?

  • (A) 10
  • (B) 20
  • (C) 35
  • (D) 50
πŸ’¬ Discuss
βœ… Correct Answer: (C) 35

Q. The ultimate strength of the steel used for pre-stressing is nearly ?

  • (A) 250 N/mm²
  • (B) 415 N/mm²
  • (C) 500 N/mm²
  • (D) 1500 N/mm²
πŸ’¬ Discuss
βœ… Correct Answer: (C) 500 N/mm²

Q. A panel of a flat slab is ?

  • (A) that part of a slab around the column which is of greater thickness than the rest of the slab
  • (B) that part of column which has increased diameter
  • (C) the area enclosed between the centre lines connecting adjacent columns in and the outline of the column heads
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) the area enclosed between the centre lines connecting adjacent columns in and the outline of the column heads

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