The representation of any matter by some sign or marks on the drawing is known as 

In plastic analysis, the shape factor for a triangular section, is 

Economic survey in Nepal is published officially by the  

The ratio of weight of water to weight of solids is called 

PERT technique of network analysis is mainly useful for  

The independent float affects  

The phenomenon of slow extension of materials having constant load, i.e. increasing with the time is called 

The standard size of drawing board of designation D1 is (in mm)