DESIGN OF MASONRY STRUCTURES QUIZ

Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than

15 cm

10 cm

30 cm

20 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

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

0.4 kg/cm²

0.7 kg/cm²

1.2 kg/cm²

1.0 kg/cm²

TRUE ANSWER : ?
YOUR ANSWER : ?

Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be

The same in both the cases

Less

100 %

More

TRUE ANSWER : ?
YOUR ANSWER : ?

In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as

Larger of (B) and (C)

Two-third of the sum of thickness of both the leaves

Actual thickness of the stronger leaf

Sum of thickness of both leaves

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:

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

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

A is true but R is false

A is false but R is true

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:

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

A is true but R is false

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

A is false but R is true

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements regarding provision of chases in masonry,(i) No chase should be permitted in a half brick load-bearing wall,(ii) Vertical chases should not be closer than 2 m in any stretch of a wall,(iii) Chases should be provided near to bearings of beams and lintels.

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

(ii) and (iii) are correct

(i) and (ii) are correct

(i) and (iii) are correct

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:

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

A is true but R is false

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 : ?

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

(i) and (iii) are correct

(i) and (ii) are correct

(ii) and (iii) are correct

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.Select your answer according to the codes given below:

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

A is false but R is true

A is true but R is false

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

TRUE ANSWER : ?
YOUR ANSWER : ?