Chemical Engineering - Chemical Engineering Basics - Discussion


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 .

Answer: Option C


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