DESIGN OF MASONRY STRUCTURES QUIZ

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

A is false but R is true

A is true but R is false

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

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 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 : ?

Consider the following statements:A high lime content in a composite cement-lime mortar results in1. Slow hardening.2. Quick setting.3. Weaker mortar.

1 and 3 are correct

1, 2 and 3 are correct

2 and 3 are correct

1 and 2 are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

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

More

Less

The same in both the cases

100 %

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Zone I only

Zone I, II, III and IV

Zone I and II

Zone I, II and III

TRUE ANSWER : ?
YOUR ANSWER : ?

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

(i) and (iii) are correct

(ii) and (iii) are correct

(i) and (ii) are correct

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

TRUE ANSWER : ?
YOUR ANSWER : ?

For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than

75 cm

50 cm

60 cm

100 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

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

0.095

0.105

0.09

0.1

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

Greater than 1

Between 0 and 1

1

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:

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?