PTU B.Tech Mechanical 8th Semester Paper 2012 Mechanical Vibrations Punjab Technical University Exam 2012 8th Semester Mechanical Vibrations Test September and March Question Paper Free Download Punjab Technical University Mechanical Vibrations Question Papers 2012 PTU B.Tech Mechanical 8th Sem Question Paper 2012 for all students Previous Year old Past Papers of PTU B.Tech Mechanical 8th Semester Paper 2012 Mechanical Vibrations Punjab Technical University September 2012 and March 2012 Exam B.Tech Mechanical 8th Semester Sample Model Question Papers Free Download PDF
a) Define spring stiffness and damping constant.
b) Why is it important to find the natural frequency of a vibrating system?
c) What happens to the response of an undamped system at resonance?
d) What are principal coordinates?
e) Define the flexibility and stiffness influence coefficients.
f) What is Ra’yleigh’s Principle?
g) How many natural frequencies does a continuous system have?
h) What is the difference between a vibration absorber and a vibration isolator?
i) What is an accelerometer?
j) How do you add two harmonic motions having different frequencies’?
PTU B.Tech Mechanical 8th Sem Paper 2012 Mechanical Vibrations