List of practice Questions

Which of the following treatments is used for imparting ductility in the metals?
Sub-zero treatment is used for
Hardenability of a steel is measured in terms of
Compound formed during precipitation hardening of Al-Cu alloys is
Which is the hardest structure that appears on the Fe-C equilibrium diagram?
Which of the following statement is wrong in Hume Rothery rules?
Pine oil used in froth flotation technique acts as a
Leaching of ore is done in ____ method of metal extraction process
Which of the following is not a function of coke in the blast furnace?
The size of blast furnace coke is about
Which is an acidic refractory?
Toughness of a material implies
Martensite transformation occurs by
The fine austenite grain size in steel increases
Which mode of size reduction is used by Jaw crushers?
Which of the following is a metal refining process?
Kick's law relates to
Softest phase in Fe-Fe$_3$C phase diagram is
At room temperature, Iron is ____ in lattice arrangement
The term Ledeburite in steels refers to
The eutectoid reaction in steel occurs at
Carbon content in hypo eutectic cast iron is
Etching solution used for Copper is
Which of the following does not have FCC crystal structure?
Froth flotation is most suitable for treating