Top 20 Questions of MV (B-TECH Mechanical Engineering 7-8th)
Most Repeated Questions
Top 20 Questions of Mechanical vibrations
Previous year question paper with solutions for Top repeated questions of Mechanical vibrations
PTU • B-TECH • Mechanical Engineering • 7-8th
Browse Top 20 questions of MV (B-TECH Mechanical Engineering 7-8th) previous year question papers for Top repeated questions of Mechanical vibrations. This page helps MV students find semester-wise papers for revision, exam practice, and understanding previous exam patterns. These are the top twenty repeated questions identified from previous year papers for MV (B-TECH Mechanical Engineering 7-8th), helping students focus on the most frequently asked topics.
MECHANICAL VIBRATIONS
1. Introduction ; Basic concepts, Methods of vibration analysis, Types of vibration, Periodic &Harmonic vibrations .
2. undamped free vibrations, damped free vibrations and damped force vibrations of single degree of freedom system,vibration isolation transmissibility.vibration measuring instruments.
3.Two degrees of Freedom systems:
a) principal modes of vibrations, natural frequencies, amplitude ratio, forced harmonic vibration .combined rectilinear & angular modes.
b) Application; Vibration absorber - principle, centrifugal pendulum vibration absorber, torsional vibration damper, untuned viscous damper, dry friction dampers, torsional vibration of two rotor systems.
4 a) Multi-degree of freedom systems: undamped free vibrations, influence coefficients,generalised coordinates,orthogonality principal,matrix alteration methods,: Rayleigh and Dunkerley, Holzer's , stodola method,Eigen values & eigen vector
b) continuous systems: Vibration of a string, longitudinal vibrations of bars, Euler's equation of motion for beam vibration, natural frequencies for various end conditions, torsional vibration of circular shafts
Top repeated questions
Top 20-
1.
What is the significance of critical damping?
Appeared 3 times
Appeared in: May 2025, May 2023
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2.
Use Studola\\\'s method to find the natural frequency of the system shown in figure.
Appeared 3 times
Appeared in: May 2023
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3.
Write the equation of motion for a damped free vibration system; derive expressions for amplitude in case of: Over-damped system
Appeared 3 times
Appeared in: May 2025
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4.
What is influence coefficient?
Appeared 2 times
Appeared in: May 2023
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5.
What are the three elementary parts of vibrating system?
Appeared 2 times
Appeared in: May 2025, May 2023
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