During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm². Ultimate tensile strength of specimen is A)4 tonnes/cm² B)8 tonnes/cm² C)16 tonnes/cm² D)22 tonnes/cm²

Question

Quizplus · Accepted Answer

Ultimate tensile strength (UTS) is calculated using the original cross-sectional area, not the necked area. UTS = Maximum Load / Original Area = 8 tonnes / 1 cm² = 8 tonnes/cm².

During a Tensile Test on a Specimen of 1 Cm