The top diameter, bottom diameter and the height of a slump mould are:

If fineness modulus of sand is 2.5, it is graded as

The approx. ratio of the direct tensile strength to direct compressible strength test is

The characteristic, which makes the concrete a versatile and widely used material of modern construction, is the possibi…

The operation of removing humps and hollows of uniform concrete surface, is known as

The ultimate load of a balanced reinforced concrete beam is proportional to

If the engineer-in-charge approves, the 10cm cubes may be used for the work test of concrete provided maximum nominal si…

The compressive strength of an ordinary Portland cement (1: 3 cement mortar cube) after 7 days test should not be less t…