The circumferential and longitudinal strains in a cylindrical boiler under inter

Question

The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be

Options:

A . εc + 2εl

B . 2εc + εl

C . εc + εl²

D . εc² + εl

Answer: Option B

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