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The maximum bending moment at a given section, in which a train of wheel loads moves, occurs when the average load on the left segment is 1. Equal to the average load on the right segment. 2. More than the average load on the right segment 3. Less than the average load on the right segment. Select the correct answer using the codes given below:

The maximum bending moment at a given section, in which a train of wheel loads moves, occurs when the average load on the left segment is 1. Equal to the average load on the right segment. 2. More than the average load on the right segment 3. Less than the average load on the right segment. Select the correct answer using the codes given below: Correct Answer 1 only

The maximum bending moment at a given section, in which a train of wheel loads moves, occurs when the average load on the left segment is equal to the average load on the right segment. This is the standard result one has to memorize.  

For illustration

This entire area under ILD has to be maximum to get absolute maximum B.M.

And this area is maximum when

Avg load on AC = Avg load on BC

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