4 Two rotors I, and la are mounted on a shaft with a face length of 54 cm between them. Shaft diameter is 45 cm. At a distance of 33 cm from I, it is desired to take off a drive which shall be free from oscillatory movement and to effect this, the remaining 21 cm of shaft adjacent to l, is reduced in diameter. For 1₁, mass is 41 kg, radius of gyration is 14 cm, and for la, mass is 18 kg, radius of gyration is 17 cm. Find the frequency of torsional oscillation for the system and the diameter of the reduced portion of the shaft. G= 8310 N/m².

4 Two rotors I, and la are mounted on a shaft with a face length of 54 cm between them. Shaft diameter is 45 cm. At a distance of 33 cm from I, it is desired to take off a drive which shall be free from oscillatory movement and to effect this, the remaining 21 cm of shaft adjacent to l, is reduced in diameter. For 1₁, mass is 41 kg, radius of gyration is 14 cm, and for la, mass is 18 kg, radius of gyration is 17 cm. Find the frequency of torsional oscillation for the system and the diameter of the reduced portion of the shaft. G= 8310 N/m².

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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