a $2-$inch diameter manganese bronze test specimen was subjected to a trial tensile load, and the following data was obtained

Find:

$($a$)$ the proportional limit$,$

$($b$)$ modulus of elasticity,

$($c$)$ ultimate strength.

$($d$)$ percent elongation,

$($e$)$ percent reduction in area,

$($f$)$ indicated rupture strength

$($g$)$ true rupture strengh.