Theory of Vibration — Winter 2022

How many ways you can control the vibration?

Explain Logarithmic decrement.

Define: Natural Frequency, Damped natural frequency, Time period, Periodic motion, Amplitude, Degree of freedom, Resonance.

Show the response of transient and steady state vibration.

Explain the working of Vibration absorber with neat sketch.

Derive the solution of equation of motion for forced vibration for spring mass damper system under the influence of harmonic force.

Define Damping. Explain Viscous damping and Structural damping.

Explain series and parallel connections of Spring.

Define: Overshooting. Why guns are designed based on critical damping?

With neat sketch explain working of Vibration measuring instruments.

Explain different types of Damping.

Explain Transmissibility.

With neat sketch explain working of Frequency measuring instruments.

Explain Continuous systems.

Define Free vibration & Forced vibration with examples.

Derive the equation to calculate natural frequency & time period of Simple pendulum.

With neat sketch explain the working of Vibration absorber.

What is the difference between vibration isolator and absorber?

Derive an expression for frequency of torsional vibration of two rotor systems.

Explain Critical speed or Whirling speed of shaft.

Derive an expression for natural frequency for undamped single degree of freedom spring mass system.

Classify different types of vibration.

What is Resonance? How it can be avoided?

Write a note on Co-ordinate Coupling.

Find the solution of equation of motion with harmonic force.