STOICHIOMETRY QUIZ

The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of

2

1.6

1.2

1.4

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, 2 and 3 are correct

2 and 3 are correct

1 and 2 are correct

1 and 3 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

60 cm

100 cm

50 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

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

15 cm

10 cm

5 cm

7.5 cm

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:

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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.of these statements, the correct statements are

(ii) and (iii)

(i) and (ii)

(i) and (iii)

(ii) and (iv)

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

Actual thickness of the stronger leaf

Larger of (B) and (C)

Sum of thickness of both leaves

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

A is false but R is true

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

(ii) and (iii) are correct

(i) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than

Vt x height of shorter opening

Ax height of shorter opening

Vt x height of longer opening

Vi x height of longer opening

TRUE ANSWER : ?
YOUR ANSWER : ?

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