The main constituent which imparts hydraulicity to hydraulic lime is______________?

A. cambium layer
B. annular rings
C. medullary rays
D. heart wood

A. cork flooring
B. glass flooring
C. wooden flooring
D. linoleum flooring

A. compacting the soil
B. draining the soil
C. increasing the depth of foundation
D. grouting

A. 5%
B. 15%
C. 25%
D. 35%