The rocks formed from molten magma, are called

Pick up the correct statement from the following:

Based on flow quality, the sequence of pipes is

Pick up the correct statement from the following:

Pegmatite is a/an

The minimum compressive strength of 1st class bricks should be

Magnese steels

Pig iron obtained from the furnance which is properly provided with fuel at a very high temperature, is called

The PVC doors and windows are preferred as they are