Applications of ternary lead cables

Q.  Why are the ternary lead cables used near the railway tracks?
- Published on 18 Dec 15

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: Have low specific gravity

Post your comment / Share knowledge


Enter the code shown above:
 
(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)