Two heavy rotating masses are connected by shafts of lengths l‚Äö√á√Ö, l‚Äö√á√á and l‚Äö√á√â and the corresponding diameters are d‚Äö√á√Ö, d‚Äö√á√á and d‚Äö√á√â. This system is reduced to a torsionally equivalent system having uniform diameter d = d‚Äö√á√Ö of the shaft. The equivalent length of the shaft is$

Question

TuteeHUB · Accepted Answer

l‚Äö√á√Ö + l‚Äö√á√á + l‚Äö√á√â

TuteeHUB · Answer

(l‚Äö√á√Ö + l‚Äö√á√á + l‚Äö√á√â)/3

TuteeHUB · Answer

l = l‚Äö√á√Ö + l‚Äö√á√á.(d‚Äö√á√Ö/d‚Äö√á√á)¬¨‚â• + l‚Äö√á√á.(d‚Äö√á√Ö/d‚Äö√á√â)¬¨‚â•

TuteeHUB · Answer

l = l‚Äö√á√Ö + l‚Äö√á√á.(d‚Äö√á√Ö/d‚Äö√á√á)‚Äö√Ö¬• + l‚Äö√á√â.(d‚Äö√á√Ö/d‚Äö√á√â)‚Äö√Ö¬•

1.	Two heavy rotating masses are connected by shafts of lengths l‚Äö√á√Ö, l‚Äö√á√á and l‚Äö√á√â and the corresponding diameters are d‚Äö√á√Ö, d‚Äö√á√á and d‚Äö√á√â. This system is reduced to a torsionally equivalent system having uniform diameter d = d‚Äö√á√Ö of the shaft. The equivalent length of the shaft is$
A.	(l‚Äö√á√Ö + l‚Äö√á√á + l‚Äö√á√â)/3
B.	l = l‚Äö√á√Ö + l‚Äö√á√á.(d‚Äö√á√Ö/d‚Äö√á√á)¬¨‚â• + l‚Äö√á√á.(d‚Äö√á√Ö/d‚Äö√á√â)¬¨‚â•
C.	l = l‚Äö√á√Ö + l‚Äö√á√á.(d‚Äö√á√Ö/d‚Äö√á√á)‚Äö√Ö¬• + l‚Äö√á√â.(d‚Äö√á√Ö/d‚Äö√á√â)‚Äö√Ö¬•
D.	l‚Äö√á√Ö + l‚Äö√á√á + l‚Äö√á√â
Answer» D. l‚Äö√á√Ö + l‚Äö√á√á + l‚Äö√á√â

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