Civil Engineering Questions And Answers :: Design Of Masonry Structures: part1

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Civil Engineering : Design Of Masonry Structures QUESTIONS AND ANSWERS :: part1 : 16 to 20

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

 16.The thickness of each leaf of a cavity wall shall not be less than 5 cm 7.5 cm 10 cm 15 cm ANSWER : : 7.5 cm Explanation :
 17.A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m2. The maximum height of wall from stability consideration is 0.64 m 0.96 m 1.28 m 1.5 m ANSWER : : 0.64 m Explanation :
 18.Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 stores (i) shall not exceed 12 if lime mortar is used (ii) shall not exceed 18 if cement lime mortar 1:2:9 is used (iii) shall not exceed 24 if cement mortar 1:6 is used Of these statements (i) and (ii) are correct (ii) and (iii) are correct (i) and (iii) are correct (i) and (ii) and (iii) are correct ANSWER : : (i) and (ii) are correct Explanation :
 19.If the horizontal cross-sectional area of a wall is 1200 cm2, then the basic stress shall be multiplied by a reduction factor equal to 0 6 0.75 0.85 0.95 ANSWER : : 0.85 Explanation :
 20.The effective height of free standing non load bearing wall and column respectively will be 1.OH and 1.OH 1.5Handl.5H 2.0Handl.5H 2.0H and 2.0H ANSWER : re H is the height of wall or column between centres of supports. Explanation :

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