1. Increase as α increases
2. Decrease as α increases
3. Be independent of α
4. Increase initially as α increases and then decreases with further increase in α
Be independent of α
1. b < ka2/w
2. b = ka2/w
3. b > ka2/w
4. a = 0
b < ka2/w
1. Shaft are rotating at very high speeds
2. Bearing centre line rotating coincides with the axis
3. The system is unbalanced
4. Resonance is caused due to the heavy weight of the rotor
Resonance is caused due to the heavy weight of the rotor
1. 0.470 * 10-4 m
2. 1.38 * 10-3 m
3. 1.270 * 10-4 m
4. 2.540 * 10-4 m
1.38 * 10-3 m
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
2 1 4 3
1. 1.40 Ns/m
2. 18.522 Ns/m
3. 52.92 Ns/m
4. 529.20 Ns/m
52.92 Ns/m
1. 5367 rpm
2. 6000 rpm
3. 9360 rpm
4. 12000 rpm
5367 rpm
1. 2 mm
2. 2.25 mm
3. 2.50 mm
4. 3.00 mm
2.25 mm
1.
2.
3.
4.
1. 6 Hz
2. 3π Hz
3. 3 Hz
4. 6π Hz
6π Hz