Q) A rotating shaft carry four unbalanced masses 12kg, 8kg, 10kg and 6kg at radii 4cm,5cm,6cm and 5cm respectively. The 2n,3"and 4th masses in plane 7cm, 16cm and 30cm respectively measured from the plane of the first mass and angularly located at 50°, 150° and 270° respectively measured counterclockwise from the first mass locating from this mass end of the shaft. The shaft dynamically balanced by two masses both located at 4cm radii and revolving in plane mid-way between there of 1stand 2ndmasses and mid- way between these of 3"and 4thmasses.Determine graphically the magnitude of the masses and their respective angular position. 150 270 3.5 16cm 30cm

Q) A rotating shaft carry four unbalanced masses 12kg, 8kg, 10kg and 6kg at radii 4cm,5cm,6cm and 5cm respectively. The 2n,3"and 4th masses in plane 7cm, 16cm and 30cm respectively measured from the plane of the first mass and angularly located at 50°, 150° and 270° respectively measured counterclockwise from the first mass locating from this mass end of the shaft. The shaft dynamically balanced by two masses both located at 4cm radii and revolving in plane mid-way between there of 1stand 2ndmasses and mid- way between these of 3"and 4thmasses.Determine graphically the magnitude of the masses and their respective angular position. 150 270 3.5 16cm 30cm

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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Question

Q) A rotating shaft carry four unbalanced masses 12kg, 8kg, 10kg and
6kg at radii 4cm,5cm,6cm and 5cm respectively. The 2nd,3rdand 4th
masses in plane 7cm, 16cm and 30cm respectively measured from the
plane of the first mass and angularly located at 50°, 150° and 270°
respectively measured counterclockwise from the first mass locating
from this mass end of the shaft. The shaft dynamically balanced by two
masses both located at 4cm radii and revolving in plane mid-way
between there of 1"and 2n masses and mid- way between these of
3rd
'and 4masses.Determine graphically the magnitude of the masses
and their respective angular position.
150
278
3.5
16cm
30cm

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