(a)...
Argon is used in arc welding because of its
A. low reactivity with metal
B. ability to lower the melting point of the metal
C. flammability
D. high calorific value
-
UP 0 DOWN 0 0 5
Argon is used in arc welding because of its
A. low reactivity with metal
B. ability to lower the melting point of the metal
C. flammability
D. high calorific value