For the following questions answer them individually
In 18-4-11 HSS (high speed steel) the percentage of chromium is
The pH value of neutral solution is
_______ is better suited for lighter duty bearings.
_______ is not the neutral refractory material.
_________ structure has maximum hardness.
_______ has least coefficient of expansion
_______is the essential gradient of any hardened steel.
______ structure can be studied by naked eye.
______ is used for bearing liner.
______ is the most important element which controls the physical properties of steel.