A. 1.2
B. 1.4
C. 1.6
D. 2.0
Related Mcqs:
- 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. - Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V?
(i) Lintel band is provided at lintel level on partition walls,
(ii) Gable band is provided at top of gable masonry below the purlins,
(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,
(iv) The bands shall be made of reinforced concrete only.the correct statements are?
A. (i) and (ii)
B. (i) and (iii)
C. (ii) and (iv)
D. (ii) and (iii) - The mode of failure of a very short masonry member having h/t ratio of less than 4 is by _______________?
A. shear
B. vertical tensile splitting
C. buckling
D. any of the above - 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. - For masonry built in 1:1:6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is_______________?
A. 0.15 MPa
B. 0.125 MPa
C. 0.1 MPa
D. 0.075 MPa - 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 - 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 - 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 - 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 - Water retentivity for brick masonry should not be less than__________________?
A. 50%
B. 60%
C. 70%
D. 80%
