If the temperature of the sewage is less, the Dissolved Oxygen (D.O.) con-tent is

If there is a presence of compact sand deposit extending to great depth, then which one of the following type of foundation will be suitable?

In an earthen dam, the top flow line has the shape of

Which of the following is often provided at the junction of a room or a roof drain and the other drain coming from bath, kitchen etc?

In public building the riser in the stair is limited to

Which one of the following is ideal shape of transition curve on highways?

Barrages constructed across alluvial rivers are for the purpose of ____