Civil Engineering MCQAE Level Civil Engineering
Rectangular beam depth d doubled (width constant). Deflection under same load reduces by factor:
Strength of MaterialsDepth Effect on DeflectionMEDIUM
Choose the correct answer
A
2
B
4
C
8
D
16
Correct Answer
C. 8
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I∝d³; doubling d makes I→8I; δ∝1/I → deflection becomes 1/8.
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