1.

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#

A. εc + 2εl
B. 2εc + εl
C. εc + εl²
D. εc² + εl
Answer» C. ≈í¬µc + ≈í¬µl¬¨‚â§


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