The initial setting time of lime-pozzolana, is

For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is

Pick up the correct statement from the following:

Initial setting of cement is caused due to

The frog of the brick in a brick masonry is generally kept on

Inner part of a timber log surrounding the pitch, is called

For construction of structures under water, the type of lime used, is

Name the type of cement from the following for canal linings:

Bullet proof glass is made of thick glass sheet sandwiched by a layer of