Civil Engineering MCQs

Page No. 102

Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys________________?


ashall not exceed 12 if lime mortar is used


bshall not exceed 18 if cement lime mortar 1:2:9 is used


cshall not exceed 24 if cement mortar 1:6 is used


d (A) and (B) are correct



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?


aBoth A and R are true and R is the correct explanation of A.


bBoth A and R are true and R is not the correct explanation of A.


cA is true but R is false.


dA is false but R is true.



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


bbetween 0 and 1


c 1


d greater than 1


View Answer greater than 1

Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as_______________?


a4 percent


b5 percent


c 6 percent


d 7 percent


View Answer 7 percent

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________________?


a0.75 H


b0.85 H


c1.0 H


d1.5 H


View Answer 0.75 H

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


View Answer 0.85

The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is_________________?


aless than or equal to 1/24


b less than or equal to 1/6


cmore than 1/24


d less than or equal to 1/12



Full restraint is provided by__________________?


afoundation footing of a wall


b timber floor spanning on the wall and anchored to the wall


c RCC slab with a minimum bearing of 10 cm on the wall


dAll of the above


View Answer All of the above

For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in________________?


aZone I only


bZone I and II


c Zone I, II and III


d Zone I, II, III and IV


View Answer Zone I and II

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.?


aBoth 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.


cA is true but R is false.


d A is false but R is true.



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