According to IS: 456-1978, the maximum reinforcement in a column is 

Gypsum is a 

Pick up the correct reason for making conceptual (or preliminary) estimate from the following:

Cross cut saw is used for 

The true length of line is 40 cm and isometric view of it is drawn the length would decrease to ____ 

The value of ?A? of Indian type W.C. shown in the given figure is: 

The age of a tree can be known by examining 

The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than