Chemical Engineering Basics Mcqs

Q.  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


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