List of practice Questions

At what temperature grains and grain boundaries will have equal strength?
Which method is not used to measure the residual stress of a given material?
The structure produced by Austempering of steel is
Sorbite is a mixture
Major alloying addition in spring steels is
Which of the following is not a mixture of ferrite and cementite?
Malleable cast iron is obtained by controlled heat treatment of
The diffusion inequality of components in a binary solution of alloys is given by
Stress causing a deformation of ____ % is called yield strength
Segar cones are used for the determination of
Sillimanite is a
The structure produced by martempering of steel is
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