A simply supported beam (l + 2a) with equal overhangs (a) carries a un – McqOptions

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1.	A simply supported beam (l + 2a) with equal overhangs (a) carries a uniformly distributed load over the whole length, the B.M. changes sign if
A.	l > 2a
B.	l < 2a
C.	l = 2a
D.	l = 4a
Answer» B. l < 2a

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