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Theory of Structures - Engineering

Q1:

The degree of indeterminacy of the frame in the given figure, is

A 1

B 2

C 3

D zero

ANS:C - 3

If you consider the joint then you have to consider the members related to that joint.

If we consider the member as 12 then we have to consider the diagonal cross joint too.

From that concept. Indeterminacy= 12+3-2x7= 1.

If we consider the m as 10, then J=6, so indeterminacy=10+3-2x6=1, so the correct answer will be 1.