Reinforced Cement Concrete Structures MCQs | Page - 4

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📊 Reinforced Cement Concrete Structures
Q. Which of the following statement is correct regarding the working stress design of under reinforced concrete section ?
  • (A) The neutral axis depth will be greater than that of a balanced section
  • (B) The stress in steel in tension will reach its minimum permissible value first
  • (C) The moment of resistance will be less than that of the balanced section
  • (D) The concrete on the tension side is also to be considered for calculating the moment of resistance of the section
💬 Discuss
✅ Correct Answer: (C) The moment of resistance will be less than that of the balanced section
📊 Reinforced Cement Concrete Structures
Q. A combined footing is provided when the ?
  • (A) bearing capacity of soil is less
  • (B) end column is near a property line
  • (C) columns are very near to each other so that their footings overlap
  • (D) all of the above
💬 Discuss
✅ Correct Answer: (D) all of the above
📊 Reinforced Cement Concrete Structures
Q. For a balanced section, the moment of resistance obtained from compressive force will be ............... the moment of resistance obtained from the tensile force ?
  • (A) greater than
  • (B) less than
  • (C) equal to
  • (D) all of these
💬 Discuss
✅ Correct Answer: (C) equal to
📊 Reinforced Cement Concrete Structures
Q. In an over-reinforced section ?
  • (A) steel reinforcement is not fully stressed to its permissible value
  • (B) concrete is not fully stressed to its permissible value
  • (C) either (a) and (b)
  • (D) both (a) and (b)
💬 Discuss
✅ Correct Answer: (A) steel reinforcement is not fully stressed to its permissible value
📊 Reinforced Cement Concrete Structures
Q. When a reinforced concrete structure is loaded, the resistance first broken is ?
  • (A) pure adhesive resistance
  • (B) frictional resistance
  • (C) mechanical resistance
  • (D) none of these
💬 Discuss
✅ Correct Answer: (A) pure adhesive resistance
📊 Reinforced Cement Concrete Structures
Q. When the ratio of effective length of the column to its least lateral dimension does not exceed 15, it is termed as a ?
  • (A) long column
  • (B) short column
  • (C) plain column
  • (D) none of these
💬 Discuss
✅ Correct Answer: (B) short column
📊 Reinforced Cement Concrete Structures
Q. In the design of a masonry retaining wall, the ?
  • (A) vertical load should fall within the middle-third of base width
  • (B) horizontal thrust should act at h/3 from base
  • (C) resultant load should fall within a distance of one-sixth of base width on either side of its mid point
  • (D) resultant load should fall within a distance of one-eight of base width on either side of its mid point
💬 Discuss
✅ Correct Answer: (C) resultant load should fall within a distance of one-sixth of base width on either side of its mid point
📊 Reinforced Cement Concrete Structures
Q. The chances of diagonal tension cracks in R.C.C. member reduce when ?
  • (A) only shear force act
  • (B) flexural and shear force act
  • (C) axial tension and shear force act simultaneously
  • (D) axial compression and shear force act simultaneously
💬 Discuss
✅ Correct Answer: (B) flexural and shear force act
📊 Reinforced Cement Concrete Structures
Q. The assumption made in the design of pre-stressed concrete sections under working load is that ?
  • (A) a plane cross-section before loading remain plane after loading
  • (B) any change in loading produces change of stress in concrete
  • (C) pre-stressing in steel remains constant
  • (D) all of the above
💬 Discuss
✅ Correct Answer: (D) all of the above

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