The most important tool in brick laying for lifting and spreading mortar and for forming joints is

Excess of alumina in brick earth makes the brick

The rocks formed by gradual deposition, are called

According to ISI, bitumen is classified into

Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grai…

Pick up the correct statement from the following:

The initial setting time for ordinary Portland cement as per IS specifications should not be less than

Pick up the correct statement from the following:

Index number expressing the relative sizes of both coarse and fine aggregates, is called