DESIGN OF MASONRY STRUCTURES QUIZ

Full restraint is provided by(i) Foundation footing of a wall(ii) Timber floor spanning on the wall and anchored to the wall(iii) RCC slab with a minimum bearing of 10 cm on the wall

(i) and (ii) are correct

(ii) and (iii) are correct

(i) and (iii) are correct

(i), (ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have

Both (A) and (B)

High shrinkage

Less strength

None of above

TRUE ANSWER : ?
YOUR ANSWER : ?

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 is true but R is false

Both A and R is true and R is not the correct explanation of A

A is false but R is true

Both A and R is true and R is the correct explanation of A

TRUE ANSWER : ?
YOUR ANSWER : ?

The thickness of each leaf of a cavity wall shall not be less than

5 cm

10 cm

7.5 cm

15 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

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

1

Between 0 and 1

Greater than 1

TRUE ANSWER : ?
YOUR ANSWER : ?

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 is true but R is false

Both A and R is true but R is not the correct explanation of A

Both A and R is true and R is the correct explanation of A

A is false but R is true

TRUE ANSWER : ?
YOUR ANSWER : ?

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

25 %

33? %

50 %

10 %

TRUE ANSWER : ?
YOUR ANSWER : ?

For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?

Providing buttresses at certain intervals

Providing a deeper foundation

Using stronger bricks

Using a richer mortar

TRUE ANSWER : ?
YOUR ANSWER : ?

For masonry work with solid bricks, consistency of mortar should be

9 to 13 cm

5 to 8 cm

19 to 23 cm

14 to 18 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.Select your answer based on the codes given below. Codes:

A is true but R is false

A is false but R is true

Both A and R is true but R is not a correct explanation of A

Both A and R is true and R is the correct explanation of A

TRUE ANSWER : ?
YOUR ANSWER : ?