6.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. Of these statements

7.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?

8.Consider the following statements: # Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks. # Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage. # Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar. Which of these statements are correct?

9.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

10.Consider the following statements : The use of relatively weak mortar # will accommodate movements due to loads and, cracking if any, and will be distributed as thin hair cracks which are less noticeable or harmful. # will result in reduction of stresses due to differential expansion of masonry units. Of these statements