Correct answer
A. Silica bricks
Explanation
The correct answer is Silica bricks.
Pick out the wrong statement?
The best lubricants for a machine working at high temperature & load is________?
Oxygen required for theoretically complete combustion of 1 Nm3 methane is ________ Nm3?
For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is________?
Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter)?
Separation of solid particles based on their densities is called________?