The ___ corrosion occurs when two dissimilar metals are in electrical contact with each other and exposed to an electrol…

__________ method is not in common use in case of placing concrete underwater.

The _____ is used to measure the workability of concrete mixture which is commonly used in the field.

The concrete having bulk density between 5 kN/m3 to 18 kN/m3 is known as _____

The use of lightweight concrete results in the reduction of cost to the extent of about ___

For water tanks and other structure which store water, the strips of copper, aluminium, galvanized iron or other collisi…

The process of rolling, folding and spreading of the particle is known as the ______ of concrete.

The only drawback of lightweight concrete is that the _______