A 8 metre long simply supported rectangular beam which carries a distr – McqOptions

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1.	A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm. If the moment of inertia of the beam is 640 cm, the overall depth of the beam is
A.	10 cm
B.	12 cm
C.	15 cm
D.	16 cm
E.	18 cm.
Answer» B. 12 cm

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