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The size of global stiffness matrix will be equal to the total ______ of the structure.

(a) Nodes

(b) Degrees of freedom

(c) Elements

(d) Structure

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Best answer
The correct choice is (b) Degrees of freedom

Explanation: For a global stiffness matrix, a structural system is an assemblage of number of elements. These elements are interconnected to form the whole structure. The size of global stiffness matrix will be equal to the total degrees of freedom of the structure.

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