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Q: The three-moment equation was originally developed by:
  • A. Clapeyron
  • B. Euler
  • C. Mohr
  • D. Hardy cross
Correct Answer: Option A - Theorem of three moment–Structural analysis clapeyron's theorem three moments is a relationship among the bending moments at three consecutive supports of a horizontal beam. Mohr's first theorem–The change in slope of a deflection curve between two points of a beam is equal to the area of the M/EI diagram between those two points.
A. Theorem of three moment–Structural analysis clapeyron's theorem three moments is a relationship among the bending moments at three consecutive supports of a horizontal beam. Mohr's first theorem–The change in slope of a deflection curve between two points of a beam is equal to the area of the M/EI diagram between those two points.

Explanations:

Theorem of three moment–Structural analysis clapeyron's theorem three moments is a relationship among the bending moments at three consecutive supports of a horizontal beam. Mohr's first theorem–The change in slope of a deflection curve between two points of a beam is equal to the area of the M/EI diagram between those two points.