Question: A ) A cylindrical bar has diameter 2 0 mm and is 7 5 0 mm long. During a tension test,

)

A cylindrical bar has diameter

" 20

"

and is

" 750

"

long. During a tension test, the longitudinal strain was found three times the lateral strain. Calculate the modulus of rigidity and bulk modulus, if the elastic modulus is

" 200

GPa". Also compute the change in volume, when a pressure

(

compressive

)

" 100

MPa

"

is applicd.

A ) A cylindrical bar has diameter " 2 0 mm " and

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