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_________________?

Related Mcqs:

1. 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

2. 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

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. In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than Ml type, tensile stress in bending in the vertical direction may be allowed to the extent of _______________?

   A. 0.4 kg/cm2
   B. 0.7 kg/cm2
   C. 1.0 kg/cm2
   D. 1.2 kg/cm2

5. 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.

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. 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

8. 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.

9. 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

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