What is the correct answer?


Pick out the wrong statement.

A. The equivalent stiffness of two springs (of equal stiffness 'S') in series is S/2 while in parallel is 2S

B. For a helical spring, deflection is proportional to D3 (D = mean coil diameter) or d4 (d = wire diameter)

C. Crushing load or columns is less than the buckling load

D. Modulus of resilience is proportional to (stress at elastic limit)2

Correct Answer :

C. Crushing load or columns is less than the buckling load

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