πŸ“Š Concrete Technology and Design
Q. The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
  • (A) not needed
  • (B) provided equally on inner and front faces
  • (C) provided more on inner face than on front face
  • (D) provided more on front face than on inner face
πŸ’¬ Discuss
βœ… Correct Answer: (D) provided more on front face than on inner face
πŸ“Š Concrete Technology and Design
Q. Diagonal tension in a beam
  • (A) is maximum at neutral axis
  • (B) decreases below the neutral axis and increases above the neutral axis
  • (C) increases below the neutral axis and decreases above the neutral axis
  • (D) remains same
πŸ’¬ Discuss
βœ… Correct Answer: (C) increases below the neutral axis and decreases above the neutral axis
πŸ“Š Concrete Technology and Design
Q. According to IS: 4561978, the column or the strut is the member whose effective length is greater than
  • (A) the least lateral dimension
  • (B) 2 times the least lateral dimension
  • (C) 3 times the least lateral dimension
  • (D) 4 times the least lateral dimension
πŸ’¬ Discuss
βœ… Correct Answer: (C) 3 times the least lateral dimension
πŸ“Š Concrete Technology and Design
Q. When shear stress exceeds the permissible limit in a slab, then it is reduced by
  • (A) increasing the depth
  • (B) providing shear reinforcement
  • (C) using high strength steel
  • (D) using thinner bars but more in number
πŸ’¬ Discuss
βœ… Correct Answer: (A) increasing the depth
πŸ“Š Concrete Technology and Design
Q. The diameter of ties in a column should be
  • (A) more than or equal to one fourth of diameter of main bar
  • (B) more than or equal to 5 mm
  • (C) more than 5 mm but less than one-fourth of diameter of main bar
  • (D) more than 5 mm and also more than one-fourth of diameter of main bar
πŸ’¬ Discuss
βœ… Correct Answer: (D) more than 5 mm and also more than one-fourth of diameter of main bar
πŸ“Š Concrete Technology and Design
Q. In counterfort retaining walls, the main reinforcement in the stem at support is
  • (A) not provided
  • (B) provided only on inner face
  • (C) provided only on front face
  • (D) provided both on inner and front faces
πŸ’¬ Discuss
βœ… Correct Answer: (B) provided only on inner face
πŸ“Š Concrete Technology and Design
Q. Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
  • (A) deflect downward
  • (B) deflect upward
  • (C) deflect downward or upward
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) deflect downward
πŸ“Š Concrete Technology and Design
Q. The purpose of reinforcement in pre-stressed concrete is
  • (A) to provide adequate bond stress
  • (B) to resist tensile stresses
  • (C) to impart initial compressive stress in concrete
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) to impart initial compressive stress in concrete
πŸ“Š Concrete Technology and Design
Q. Due to circumferential action of the spiral in a spirally reinforced column
  • (A) capacity of column is decreased
  • (B) ductility of column reduces
  • (C) capacity of column is decreased but ductility of column increases
  • (D) both the capacity of column and ductility of column increase
πŸ’¬ Discuss
βœ… Correct Answer: (D) both the capacity of column and ductility of column increase

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