1.

While testing a cast iron beam (2.5 cm x 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is :

A. 960 kg/cm²
B. 980 kg/cm²
C. 1000 kg/cm²
D. 1200 kg/cm².
Answer» B. 980 kg/cm²


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