Q.

In a universal testing machine during the testing of a specimen of original cross-sectional area 1 cm2 the maximum load appliied was 7.5 tonnes and neck area 0.6 sq. cm. The ultimate tensile strength of the specimen is

A. 12.5 tonnes/cm2
B. 10.0 tonnes/cm2
C. 7.5 tonnes/cm2
D. 4.5 tonnes/cm2
E. None of the above
Answer» C. 7.5 tonnes/cm2
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