Design of Masonry Structures

Consider the following statements.
1. will accommodate movements due to loads and, cracking if any, and will be distributed as thin hair cracks which are less noticeable or harmful.
2. will result in reduction of stresses due to differential expansion of masonry units.

select the correct statements.

A. 1 alone is correct
B. 2 alone is correct
C. both 1 and 2 are correct
D. neither 1 nor 2 is correct

A. sum of thickness of both leaves
B. two-third of the sum of thickness of both the leaves
C. actual thickness of the stronger leaf
D. larger of (B) and (C)

A. 50 cm
B. 60 cm
C. 75 cm
D. 100 cm

A. 3
B. 5
C. 7.5
D. 10

A. 1 : % : 3
B. 1 : Vz: 4>/2
C. 1:1:6
D. 1:2:9

A. lateral restraint but not rotational restraint
B. rotational restraint but not lateral restraint
C. both lateral and rotational restraints
D. neither lateral nor rotational restraint

A. shear
B. vertical tensile splitting
C. buckling
D. any of the above

A. 10%
B. 25%
C. 33 1/3%
D. 50%

A. 0.64 m
B. 0.96 m
C. 1.28 m
D. 1.5 m

A. 5 cm
B. 7.5 cm
C. 10 cm
D. 15 cm