The approximate ratio of direct tensile strength to flexural strength is

For finding forces in the members of a truss by the graphical method. The force diagram is suggested by

The limit of ” loss on ignition ” for ordinary portland cement is

An air entraining agent when added in concrete improves

If the compaction factor is 0.95, the workability of concrete is

A plane structure is structure

Stress concentration near the void is…………. as compared to solid portion.

An elastic prop is one which

Cement used for resisting of acid is