A uniform shaft having a uniformly distribut- ed weight of 50 N/m is supported on self-aligning bearings which are 1.5 m apart. The flexural stiffiness of the shaft is 5000 Nm2 and the end conditions may be treated as sim- ply supported. There is a heavy pulley at the centre of the shaft with the centre of gravity of pulley coinciding with the centre line of shaft. The static deflection of the shaft due to the weight of pulley alone is 0.4 mm. The fundamental fre- quency of free undamped transverse vibration of the shaft under combined loading is (A) 24.93 HZ (B) 2187 11Z (C) 33.71 Hz (D) 16.44 I1z.
A uniform shaft having a uniformly distribut- ed weight of 50 N/m is supported on self-aligning bearings which are 1.5 m apart. The flexural stiffiness of the shaft is 5000 Nm2 and the end conditions may be treated as sim- ply supported. There is a heavy pulley at the centre of the shaft with the centre of gravity of pulley coinciding with the centre line of shaft. The static deflection of the shaft due to the weight of pulley alone is 0.4 mm. The fundamental fre- quency of free undamped transverse vibration of the shaft under combined loading is (A) 24.93 HZ (B) 2187 11Z (C) 33.71 Hz (D) 16.44 I1z.
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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Transcribed Image Text:A uniform shaft having a uniformly distribut-
ed weight of 50 N/m is supported on self-aligning bearings
which are 1.5 m apart. The flexural stiffiness of the shaft is
5000 Nm2 and the end conditions may be treated as sim-
ply supported. There is a heavy pulley at the centre of the
shaft with the centre of gravity of pulley coinciding with the
centre line of shaft. The static deflection of the shaft due to
the weight of pulley alone is 0.4 mm. The fundamental fre-
quency of free undamped transverse vibration of the shaft
under combined loading is
(A) 24.93 HZ
(B) 2187 11Z
(C) 33.71 Hz
(D) 16.44 I1z.
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