Which of the metal does not contain Iron?

What is the process of changing the

structure and properties of steel by heating

and cooling?

Which instrument is used for observing

visible exact grain size and structure of

broken metal?

What is the process of heat treartment to

add the cutting ability to steel?

What is the process of heat treatment to

remove the brittleness of hard metal?

What is the property of quenching oil used in

heat treatment process for steels?

What is the process of heat treatment to

improve the machinability of steel?

What is the process of heat treatment to

remove stress and strain formed in the

internal structure of steel due to repeated

heating?

What is the process of heat treatment for

components to have hard wear resisting

surface and shock resisting core for better

service conditions and longer life?

What is the operation if steel is heated to a

suitable temperature and kept at that

temperature until the carbon has penetrated

to the depth required?

Which is the heat treatement process if

components are heated at 500°C in a

constant circulation of ammonia gas upto

100 hours and cooling them in air?

What is the process of heat treatment if heat

is applied to the surface of the work rapidly

and quenched immediately by spraying with

water?

Which heat treament process is a production

method of surface hardening?

Which heat treatment process of carburising

is done in a heated salt- bath?

Which is the heat treatment process if work

is placed in a gas tight container and heated

in a suitable furnace?