Assuming the shaft to be freely supported. Calculate the whirling spee – McqOptions

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1.	Assuming the shaft to be freely supported. Calculate the whirling speed of the shaft : 2 cm diameter and 60 cm long carrying a mass of 1 kg at its mid-point. The density of the shaft material is 40 Mg/m³, and Young s modulus is 200 GN/m².
A.	2598
B.	2434
C.	2756
D.	2634
Answer» B. 2434

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Assuming the shaft to be freely supported. Calculate the whirling speed of the shaft : 2 cm diameter and 60 cm long carrying a mass of 1 kg at its mid-point. The density of the shaft material is 40 Mg/m<sup>3</sup>, and Young s modulus is 200 GN/m<sup>2</sup>.