Physics · Reinforced Cement Concrete
In the working stress method of a singly reinforced rectangular concrete beam, if 'd' is the effective depth and 'n' is the depth of the neutral axis, the lever arm is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1d - n2
- 2d - n3✓
- 32d - n3
- 4d - n3
Correct answer
d - n3
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