What is the colour of oxygen gas cylinder?

Which hardness test uses a diamond pyramid-shaped indenter?

___________ microstructure is typically obtained after normalising low-carbon steel.

What does 'charging' of a lapping tool mean?

In a forward Vernier scale, the size of one Vernier scale division is:

Which of the following parts of a file is the part fitted to the tang for holding the file?

What is the unit of specifying slip gauges?

__________ type of lapping is used for precision finishing of engine cylinder bores.

What is the advantage of giving heat treatment to a material?

If the basic size of the diameter of a shaft is 75 mm and variation limit of +0.02 mm is
given, then its tolerance in mm is:

When selecting a sheet size for an original drawing, what should be the primary consideration?