railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Stress and Strain
Section modulus of a beam 'Z’ is 778.9 × 103 mm3 and permissible bending stress is 165 N/mm2. Moment of resistance of beam will be-
1
125.8 kN.m
2
128.5 kN.m
3
127.5 kN.m
4
125.5 kN.m