For the following questions answer them individually
The arrangement of supporting an existing structure by providing supports underneath, is known as
The type of brick masonry bond in which every course contains both headers and stretchers, is called
If height of the first storey of a building is 3.25 m and riser is 13 cm, the number of treads required is
If R is the radius of earth and his the altitude above mean sea level at a location then correction for length L for reduction to mean sea level is