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UPSC Civil Service Exam Questions - Engineering

Q1:

The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimensions shown in cm units. If the Moment of Inertia of channel Ixx be equal to 246 cm4 and C be the shear centre, then the value of e in cm is equal to

A 1.5

B 2.5

C 2.25

D 1.67

ANS:A - 1.5

1.67 is correct only if it is from C.G.
So, the correct one is 1.5.