Why are the ternary lead cables used near the railway tracks?
A. Because they have high tensile strength
B. Have a low coefficient of thermal expansion
C. Have low specific gravity
D. Can withstand shocks and vibrations
Answer:C
Why are the ternary lead cables used near the railway tracks?
A. Because they have high tensile strength B. Have a low coefficient of thermal expansion C. Have low specific gravity D. Can withstand shocks and vibrations