A beam of length L simply supported at its ends carrying a total load W uniformly distributed over its entire length deflects at the center by δ and has a maximum bending stress σ. If the load is substituted by a concentrate load W1 at mid-span such that the deflection at the center remains unchanged, the magnitude of the load W1 and the maximum bearding stress will be

A beam of length L simply supported at its ends carrying a total load

1.	A beam of length L simply supported at its ends carrying a total load W uniformly distributed over its entire length deflects at the center by δ and has a maximum bending stress σ. If the load is substituted by a concentrate load W1 at mid-span such that the deflection at the center remains unchanged, the magnitude of the load W1 and the maximum bearding stress will be
A.	0.3 W and 0.3σ
B.	0.6 W and 0.6σ
C.	0.3 W and 0.6σ
D.	0.6 W and 1.25σ
Answer» E.

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