Engineering

 2. If the ratio of center to centre spacing of intersecting walls to actual thickness of intersecting wall is more th n 20, then the stiffening coefficient for wall proper will be a) 0 b) between 0 and 1 c) 1 d) greater than 1 Ans: d 7. 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 a) (i) and (ii) are correct b) (ii) and (iii) are correct c) (i) and (iii) are correct d) (i) and (ii) and (iii) are correct Ans: a 8. Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as a) 4 percent b) 5 percent c) 6 percent d) 7 percent of the total vertical load on the most heavily loaded wall or column in the group. Ans: d 9. The effective height of free standing non load bearing wal

 Design of Masonry Structures Question No. 01 Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have (A) High shrinkage (B) Less strength (C) Both (A) and (B) (D) None of above Answer: Option A Question No. 02 In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as (A) Sum of thickness of both leaves (B) Two-third of the sum of thickness of both the leaves (C) Actual thickness of the stronger leaf (D) Larger of (B) and (C) Answer: Option D Question No. 03 Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar. Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar. Select your answer based on the codes given below: (A) Both A and R is true and R is the correct explanation of A (B) Both A and R is true but R is not a correct explanation of A (C) A is true but R is false (D) A is false but R is true Answer: Option C Question No.