Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element

Questions › Category: Mechanical Engineering › Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element
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Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element

a) Iron

b) Copper

c) Aluminium

d) Nickel

Engineering Materials Practice Set-1