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Assertion (A): Most building codes limit the maximum slenderness ratio of masonry walls and columns to ensure structural integrity and cost-effectiveness. Reason (R): Limiting the slenderness ratio ensures that failure occurs due to excessive stress rather than buckling. Are these statements correct and is the reason a valid explanation for the assertion?

Design of Masonry Structures MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Design of Masonry Structurescivil-engineering-mcqs › design-of-masonry-structures
Published
19 Jan 2019
Last updated
28 May 2026

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Explanation

According to structural design codes, controlling the maximum slenderness ratio of masonry walls and columns is essential to prevent buckling. This ensures that failure happens due to material stress limits rather than instability. Therefore, both the assertion and reason are true, and the reason accurately explains the assertion.

More Design of Masonry Structures MCQs

Practice related questions from the same subject.

  1. 1.What is the maximum allowable slenderness ratio for load-bearing walls in a building with more than two stories?
  2. 2.Assertion (A): When the eccentricity ratio is greater than 1/6, the effective thickness of a masonry element decreases. Reason (R): An eccentricity ratio above 1/6 causes tension to develop on one side of the structural member.
  3. 3.When the center-to-center distance of intersecting walls divided by the actual thickness of the intersecting wall exceeds 20, what is the stiffening coefficient assigned to the wall itself?
  4. 4.If a structural element or system offers lateral support to five or more walls or columns, what percentage of the total vertical load on the most heavily loaded wall or column should be considered as the lateral load to be resisted?
  5. 5.Given that H represents the height of a wall measured between the centers of its supports, what is the effective height of the wall when concrete floors rest on it, regardless of the span direction?
  6. 6.Given that the horizontal cross-sectional area of a wall measures 1200 cm², what reduction factor should be applied to the basic stress?
  7. 7.When can bending stress be ignored in a wall or column subjected to an effective vertical load based on the eccentricity ratio?
  8. 8.Which combination of the following provides complete restraint?
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