Science and Mathematics for Engineering 6th Edition by John Bird

تمرين 1

A copper overhead transmission line has a length of $60 \mathrm {~m}$ between its supports at $15 ^ { \circ } \mathrm { C }$ . Calculate its length at $40 ^ { \circ } \mathrm { C }$ if the coefficient of linear expansion of copper is $17 \times 10 ^ { - 6 } \mathrm {~K} ^ { - 1 }$ .