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. ?

Related Mcqs:

1. 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

2. If the eccentricity ratio is more than 1/24, then increase in the permissible stress in the design of wall subjected to eccentric loading as per code is_________________?

   A. 10%
   B. 25%
   C. 33 1/3%
   D. 50%

3. Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced. Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member?

   Select your answer according to the codes give below.

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

4. 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

5. 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

6. 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___________________?

   A. 0.64 m
   B. 0.96 m
   C. 1.28 m
   D. 1.5 m

7. The timber floor not spanning on the masonry wall but properly anchored to the wall gives________________?

   A. lateral restraint but not rotational restraint
   B. rotational restraint but not lateral restraint
   C. both lateral and rotational restraints
   D. neither lateral nor rotational restraint

8. If H is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be________________?

   A. 0.75 H
   B. 0.85 H
   C. 1.0 H
   D. 1.5 H

9. Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall. Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis.

   Select your answer according to the 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.

10. 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