A simply supported beam 'A' of length ‘l’, breadth ‘b’ and depth ‘d’ carries a central load ‘W’. Another beam 'B' of the same dimensions carries a central load equal to 2W. The deflection of beam 'B' will be __________ as that of beam 'A'.
A. One-fourth
B. One-half
C. Double
D. Four times
Answer: Option C
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Deflection of beam due to point load W = Wl^3 / 48EI
I for rectangular beam it is bd^3/12
So, As the load doubles, so is the deflection in the beam.