Classify different types of vibration.
[7 marks]Define: Natural Frequency, Damping Ratio, Time Period
[3 marks]Explain series and parallel connections of Spring.
[4 marks]Derive the equation to calculate natural frequency & time period of torsional vibration of single rotor system.
[7 marks]What do you mean by vibration? Which are the probable causes of vibration?
[3 marks]Explain different types of Damping.
[4 marks]Derive the equation to calculate natural frequency & time period of Simple pendulum.
[7 marks]Explain Transmissibility.
[4 marks]What is Resonance? How it can be avoided?
[3 marks]Prove that reduction in amplitude in one complete cycle in Coulomb damping is 4F/k.
[4 marks]Avibratory system in a vehicle is to be designed with the following parameters: k= 100 N/m, C=2 N-s/m m=1 kg Calculate the decrease of amplitude from its starting value after complete oscillations and frequency of oscillation.
[3 marks]Write a short note on Vibration Isolation.
[3 marks]With neat sketch explain working of Vibration measuring instruments.
[7 marks]Explain Continuous systems.
[3 marks]Derive an expression for natural frequency for undamped single degree of freedom spring mass system.
[4 marks]Explain Rayleigh Method.
[7 marks]Define Degree of Freedom. Give one example of single degree, two degree and multi degree of freedom systems.
[3 marks]With neat sketch explain the working of Vibration absorber.
[4 marks]Derive an expression for frequency & time period of torsional vibration of two rotor systems.1
[7 marks]Define: Node, Principal mode of vibration, Normal mode of vibration
[3 marks]How will you define Steady state and Transient vibration? Plot both responses.
[4 marks]Derive solution for Spring mass damper system with harmonic force.
[7 marks]Define multi degree of freedom with at least two examples.
[3 marks]Write a note on Co-ordinate Coupling.
[4 marks]Explain Orthogonalality of modes.
[7 marks]