A. 15
B. 19
C. 20
D. 25
Related Mcqs:
- 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 - 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. - 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 - 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. - 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 - 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 - 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 - If the horizontal cross-sectional area of a wall is 1200 cm2, then the basic stress shall be multiplied by a reduction factor equal to________________?
A. 0 6
B. 0.75
C. 0.85
D. 0.95 - 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 - 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
