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S.I. unit of sectional modulus
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Strength of Materials
Q. What is the S.I. unit of sectional modulus?
- Published on 21 Sep 15
a.
mm
4
b.
mm
3
c.
mm
2
d.
m
ANSWER: mm
3
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Discussion
Sravanthi
-Posted on 24 Nov 15
-
Sectional modulus:
The ratio of moment of inertia of beam section about neutral axis and the distance of extreme fiber from neutral axis.
- It is denoted by Z and is given as Z = I/y, here I = moment of inertia
- mm
3
or cm
3
is the SI unit of sectional modulus.
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