A cantilever shaft having 50 mm diameter and length of 300 mm has a d – McqOptions

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1.	A cantilever shaft having 50 mm diameter and length of 300 mm has a disc of mass 100 kg at its free end. The Young’s modulus for the shaft material is 200 GN/m2. Calculate the natural longitudinal frequency in Hz.
A.	575
B.	625
C.	525
D.	550
Answer» B. 625

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