A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber)_________________?

A steel plate d × b is sandwiched rigidly between two timber joists e

1.	A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber)_________________?
A.	BD² + mbd²)/6D]
B.	BD3 + mbd3)/6D]
C.	BD² + mbd3)/4D]
D.	BD² + mbd²)/4D]
Answer» C. BD² + mbd3)/4D]

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A steel plate d × b is sandwiched rigidly between two timber joists each D × B/2 in section. The steel will be (where Young’s modulus of steel is m times that of the timber)_________________?

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