A beam of uniform strength refers which one of the following ?

1.	A beam of uniform strength refers which one of the following ?
A.	A beam in which extreme fibre stresses are same at all cross-sections along the length of the beam.
B.	A beam in which the moment of inertia about the axis of bending is constant at all cross-sections of the beam.
C.	A beam in which the distribution of bending stress across the depth of cross-section is uniform of all cross-sections of the beam.
D.	A beam in which the bending stress is uniform at the maximum bending moment cross-section.
Answer» B. A beam in which the moment of inertia about the axis of bending is constant at all cross-sections of the beam.

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A beam of uniform strength refers which one of the following ?

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