Business Driven Information Systems
6th Edition
ISBN: 9781260004717
Author: Paige Baltzan
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 6, Problem 11RQ
To determine
To discuss:
The reasons a business would be data rich but information poor.
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using the theorem of three moments, find all the reactions and supports, I need the calculations only
Q.5: (10 Marks) Select the correct answer (choose 10 only)
1. The forward whirling speed is ......... the static structure tilting speed.
(a) Less than
(b) Higher than
(c) equal to
2. The divergence between the forward and backward whirling speeds increases as:
(a) The rotating speed increase (b) the polar moment of inertia increases
(c) Both (a) and (b)
(d) do not change
3. Increasing the system natural frequency can be done by:
(a) add masses (b) adding braces and supports (c) increase damping
4. The amplitude of vibration due to external force can be reduced by:
(a) Increasing damping (b) Decreasing damping (c) Increasing mass
5. Tuned absorbers are used to:
(a) Shift the natural frequency (b) increase damping (c) Increase stiffness
6. Accelerometers sensors contains:
г
(a) Piezoelectric materials (b) Magnet and coil (c) coil only
7. Increasing the stiffness of the system causes:
(a) Less transmitted force (b) more transmitted force (c) Transmitted force does not
change
8. The…
Q.1: (15 Marks)
Find the first three natural frequencies and mode shapes of the axial and torsional
vibration for a steel shaft free at both ends, having a length of 3 m. Find the subsequent
axil motion if the shaft is subjected to the following initial conditions, given that E = 210
GPa, G=80 GPa, p = 7800 kg/m³:
f(x)=0
v(x) = {1
2.8
Chapter 6 Solutions
Business Driven Information Systems
Ch. 6 - Prob. 1OCQCh. 6 - Prob. 2OCQCh. 6 - Prob. 3OCQCh. 6 - Prob. 4OCQCh. 6 - Prob. 5OCQCh. 6 - Prob. 6OCQCh. 6 - Prob. 1RQCh. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQ
Ch. 6 - Prob. 5RQCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQCh. 6 - Prob. 11RQCh. 6 - Prob. 12RQCh. 6 - Prob. 13RQCh. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 1CCOCh. 6 - Prob. 2CCOCh. 6 - Prob. 3CCOCh. 6 - Prob. 4CCOCh. 6 - Prob. 5CCOCh. 6 - Prob. 6CCOCh. 6 - Prob. 7CCOCh. 6 - Prob. 1CCTCh. 6 - Prob. 2CCTCh. 6 - Prob. 3CCTCh. 6 - Prob. 4CCTCh. 6 - Prob. 5CCTCh. 6 - Prob. 6CCTCh. 6 - Prob. 1CBTCh. 6 - Prob. 2CBTCh. 6 - Prob. 3CBTCh. 6 - Prob. 4CBTCh. 6 - Prob. 5CBTCh. 6 - Prob. 6CBTCh. 6 - Prob. 7CBTCh. 6 - Prob. 8CBTCh. 6 - Prob. 9CBTCh. 6 - Prob. 10CBTCh. 6 - Prob. 11CBTCh. 6 - Prob. 12CBTCh. 6 - Prob. 13CBTCh. 6 - Prob. 14CBTCh. 6 - Prob. PIAYKBPCh. 6 - Prob. PIIAYKBPCh. 6 - Prob. PIIIAYKBPCh. 6 - Prob. PIVAYKBPCh. 6 - Prob. PVAYKBPCh. 6 - Prob. PVIAYKBPCh. 6 - Prob. PVIIAYKBP
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