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FORCED VIBRATION DUE TO SUPPORT EXCITATION.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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Explain reciprocating unbalance.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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CALCULATION OF FREQUENCY RATIO AT WHICH $\frac{x}{(\frac{m_0e}{m})}$ IS MAXIMUM.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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(B) FORCED VIBRATION DUE TO THE ROTATING AND RECIPROCATING UNBALANCE.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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Calculation of frequency at which peak amplitude occurs.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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Definition of forced vibration.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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A cylinder of mass m and radius r rolls without slipping on a concave cylinder surface of radius R. find the natural frequency of oscillations.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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Determine the natural frequency of the system shown in figure, the cord may be assumed in extensible and no slip between pulley and cord.
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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Determine the natural frequency of oscillation
dynamics of machinery updated 5.2 years ago by bhaveshkumarn.pasi • 500
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A door 200 cm high, 75 cm wide and 4 cm thick and weighing 35 kg is fitted with an automobile door closer. The door opens against a spring with a modulus of 1kg cm/radian.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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The torsional pendulum with a disc of moment of inertia $J = 0.05 \ kg-m^2$ immersed in a viscous fluid is shown in figure. During vibrations of pendulum,
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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The disc of a torsional pendulum has a mass moment of inertia of $0.06 \ kgm^2$. The brass shaft attached to it is of 100 mm diagram and 400 mm long.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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In a simple degree viscosity damped vibrating system, the suspended mass of 16 kg makes 45 oscillations in 27 seconds.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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An under damped shock absorber is to be designed for a motorcycle of mass 200 kg such that during a road bump,
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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A rail road bumper is designed as a spring in parallel with viscious damper. What is the bumper's damping (c) co-efficient such that system has a damping ratio 1:25 when engaged by a 20 tonnes
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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The mass of a spring mass da shpot system is given an initial velocity from the equilibrium position of 'Awn' where $W_n$ is the undamped natural frequency of the system, find the equation of motion.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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Derive the differential eq, governing the motion of the system, use x as the generalizing co-ordinate, assume small x and determine the natural frequency of the system.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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665
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Determine the parameters in equivalent system model shown in fig. when $\theta$ clockwise ang disp. of bar from s.e.p. is used as generalized co-ordinate.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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Difference between viscous damping and coulomb damping.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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666
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COLOMB DAMPING OR DRY FRICTION DAMPING.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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547
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EQUIVALENT DAMPING CO-EFFICIENT.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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EXPLAIN LOGARITHMIC DECREMENT.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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General solution for under damped system.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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General solutions of critically damped system
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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DAMPING RATIO OR DAMPING FACTOR.
dynamics of machinery updated 5.3 years ago by bhaveshkumarn.pasi • 500
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