Questions › Category: Mechanical Engineering › Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element
0 Vote Up Vote Down
VideRime Staff asked 5 years ago
Print Friendly, PDF & Email

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