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_________________?

Related Mcqs:

1. Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than_______________?

   A. 10 cm
   B. 15 cm
   C. 20 cm
   D. 30 cm

2. 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

3. 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

4. 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

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. 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.

7. 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.

8. The effective height of free standing nonload bearing wall and column respectively will be_________________?

   A. 1.OH and 1.OH
   B. 1.5Handl.5H
   C. 2.0Handl.5H
   D. 2.0H and 2.0H

   where H is the height of wall or column between centers of supports.

9. 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

10. The thickness of each leaf of a cavity wall shall not be less than_________________?

    A. 5 cm
    B. 7.5 cm
    C. 10 cm
    D. 15 cm