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For the following questions answer them individually
_______ does not certain tin as an alloying element.
Babbitt metal
White metal
Solder
All options are correct
Under microscope ferrite appears as
White
Light
Dark
None of these
_______ structure is obtained by austempering process of heat treatment.
Sorbite
Bainite
Martensite
Troostite
Preheating is essential in welding
high speed steel
cast iron
all non-ferrous materials
The melting point is the lowest for
low carbon steel
high carbon steel
wrought iron
_______ is commonly used for making household utensils.
Duralumin
Hindalium
y-alloy
Magnalium
Ball bearings are generally made up of
carbon steel
carbon chrome steel
stainless steel
grey cast iron
______ has high tendency to get work hardened.
Lead
Aluminium
Brass
Silver
______ is the hardest known material
Cemented carbide
Ceramic
Diamond
Alloy steel
______ is obtained by isothermal hardening operation.
Cementite
Acicular troostite
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