Final answer:
To determine the largest bending moment a beam can support with an allowable stress of 150 MPa, use the formula M = σ * I / y, where σ is the allowable stress, I is the moment of inertia, and y is the distance from the neutral axis to the outermost fiber of the beam.
Step-by-step explanation:
The student is asking about the maximum bending moment that a wide-flange beam can support given an allowable stress. To solve this, we need to use the bending stress formula σ = M*y/I, where M is the bending moment, y is the distance from the neutral axis to the outermost fiber, I is the moment of inertia of the beam's cross-section, and σ is the allowable stress. The solution involves calculating the moment of inertia for the given beam's cross-section if not provided, and using the given allowable stress. The largest bending moment M is then found by rearranging the equation to M = σ * I / y.
Since the specific dimensions of the beam and its cross-sectional properties are not provided in the question, a general step-by-step explanation is given without specific numerical values.