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_______________?

Related Mcqs:

1. Assertion A : From consideration of structural soundness and economy of design, most codes control the maximum slenderness ratio of masonry walls and columns. Reason R : By controlling the maximum slenderness ratio, failure is by excessive stress and not by buckling.?

   Select your answer according to codes given below.

   A. Both A and R are true and R is the correct explanation of A.
   B. Both A and R are true but R is not .the correct explanation of A.
   C. A is true but R is false.
   D. A is false but R is true.

2. Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys________________?

   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
   the correct statments is ?

   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

3. 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)

4. A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is A. B. C. D. ?

   A.090
   B.095
   C.100
   D.105

5. A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is________________?

   A. 15
   B. 19
   C. 20
   D. 25

6. If the ratio of center to center spacing of intersecting walls to actual thickness of intersecting wall is more than 20, then the stiffening coefficient for wall proper will be_________________?

   A. 0
   B. between 0 and 1
   C. 1
   D. greater than 1

7. For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than_________________?

   A. 50 cm
   B. 60 cm
   C. 75 cm
   D. 100 cm

8. Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be___________________?

   A. more
   B. less
   C. the same in both the cases
   D. 100%

9. The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is_________________?

   A. less than or equal to 1/24
   B. less than or equal to 1/6
   C. more than 1/24
   D. less than or equal to 1/12

10. The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of_________________?

    A. 1.2
    B. 1.4
    C. 1.6
    D. 2.0