Plywood has the advantage of_____________?
Pug mill is used for_______________?
Which of the following bricks are used for lining of furnaces ?
The internal size of mould used in brick preparation is__________________?
The process of mixing clay, water and other ingredients to make brick is known as______________?
Which of the following ingredients of the brick earth enables the brick to retain its shape ?
Excess of silica in brick earth results in______________?
The nominal size of the modular brick is_______________?
The percentage of alumina in a good brick earth lies between________________?
Percentage of silica in a good brick earth lies between_______________?