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UPSC Civil Service Exam Questions - Engineering

Q1:

A compression member has a centre to centre length of 4.0 m. It is fixed at one end and hinged at the other end. The effective length of the column is

A 4.0 m

B 3.2 m

C 2.8 m

D 2.6 m

ANS:C - 2.8 m

For crippling load calculation, we use 0.707l.

But in general, .8l is taken.

So, the answer should be 3.2.