If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the critical neutral axis of the beam, is

If the modular ratio is m, steel ratio is r and overall depth of a bea

1.	If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the critical neutral axis of the beam, is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
E.	[E].
Answer» C. [C].

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If the modular ratio is m, steel ratio is r and overall depth of a beam is d, the depth of the critical neutral axis of the beam, is

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