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 de

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.	m/(m - r)] d
B.	m/(m + r)] d
C.	(m + r)/m] d
D.	(r - m)/m] d
Answer» C. (m + r)/m] d

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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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