Q 38. An automotive engine weighing 240kg is supported on four springs with linear characteristics. Each of the front two springs have a stiffness of 16MN/m while the stiffness of each rear spring is 32MN/m. The engine speed (in rpm), at which resonance is likely to occur, is
(A) 6040
(B) 3020
(C) 1424
(D) 955
Answer: (A)
Explanation:
