Question

composite bar of length L=L1+L2 is made up from a rod of material 1 and length L1 attached to a rod of material 2 and of lengrh L2 as shown. if alpha 1 and alpha 2 are their respective coefficients of linear expansion, then equivalent coefficient of linear expansion for the composite rods is:​

Answer 1

Answer:

A composite bar of length L=L

1

+L

2

is made up from a rod of material 1 and of length L

1

L

1

attached to a rod of material 2 and length L

2

as shown. If α

1

and α

2

are their respective coefficients of linear expansion, then equivalent coefficient of linear expansion for the composite rod is