Question: ( 1 ) . ( a ) . In an axial tensile test on 1 5 mm diameter bar of gauge length 2 0 0

(1).(a). In an axial tensile test on 15 mm diameter bar of gauge length 200 mm , the load at proportionality limit is found to be 25 kN and the corresponding changes in length and diameter are 0.25 mm and 0.00625 mm , respectively. Determine
Dalam suatu ujian tegangan eka paksi keatas bar berdiameter 15 mm dengan panjang tolok 200 mm , didapati beban pada had perkadaran sebanyak 25 kN serta perubahan dalam panjang dan diameter adalah 0.25 mm dan 0.00625 mm masing-masing. Tentukan
(i). Modulus of elasticity (Young's Modulus).
Modulus keanjalan (Modulus Young)
(2 marks/markah)
(ii). Poisson's ratio and,
Nisbah Poisson dan
(2 marks/markah)
(iii). the % of volume change % perubahan isipadu.
( 1 ) . ( a ) . In an axial tensile test on 1 5

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