SSC JE Mechanical Engineering 2018 Set 3 Paper

Question : 128 of 200

Marks: +1, -0

Which formula CORRECTLY depicts the elongation in a composite body?

Solution:

For composited body strain is given by,

=P/E[\l_1/A_1+\l_2 /A_2+\l_3 /A_3+\l_ 4/A_4+...]

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