Separation of coarse aggregate from mortar during transportation is known as

Diameter of a rivet hole is made larger than the diameter of the rivet by

For perfectly elastic bodies, the co-efficient of restitution is

If a tacheometer is fitted with analatic lens:

The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base is :

The permissible pH for public water supplies may range between :

Le-Chatelier’s apparatus is used for testing :

The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads is known as

The radius of influence is :

Negative skin friction :