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question an external magnetic field b 1 t interacts with a sinusoidal current of unknown amplitude and rotates the
question a circular piezoelectric plate with diameter d 20 mm thickness h 3 mm youngs modulus of 17 1011 nm2nbsp
show that for viscous damping the loss factor eta is independent of the amplitude and proportional to the frequencythe
express the equation for the free vibration of a single-dof system in terms of the loss factornbspeta at
qusetion use a lumped-parameter model for the system of figure which is formed of two bimetallic strips and a
in general the energy loss per cycle is a function of both amplitude and frequency state under what condition the
using the result of problem given below determine the amplitude of motion of a spring-rn ass system with coulomb
plot the results of prob 1 in the permissible rangeprob 1using the result of prob2 determine the amplitude of motion
the shaft of a torsiograph shown in figure below undergoes harmonic torsional oscillation theta0 sin wtdetermine the
a commercial-type vibration pickup has a natural frequency of 475 cps and a damping factor what is the lowest
an undamped vibration pickup having a natural frequency of 1 cps is used to measure a harmonic vibration of 4 cpsif the
a sensitive instrument with mass 113 kg is to be installed at a location where the acceleration is 1524 cms2 at a
an electric motor of mass 68 kg is mounted on an isolator block of mass 1200 kg and the natural frequency of the total
question use time-domain modeling to determine an electrical system that is analogous to the liquid system of figure
if the machine of problem is mounted on a large concrete block of mass 1136 kg and the stiffness of the springs or pads
an industrial machine of mass 4534 kg is supported on springs with a static deflection of 0508 cm if the machine has a
a refrigerator unit weighing 65 ib is to be supported by three springs of stiffness k ibin eachif the unit operates at
question identify an operational amplifier electrical system that is analogous to a mechanical system formed of a mass
an aircraft radio weighing 10675 n is to be isolated from engine vibrations ranging in frequencies from 1600 to 2200
the point of suspension of a simple pendulum is given by a harmonic motion x0 xo sin wt along a horizontalline as
question the shuttle mass m 14 10-12 kg of figure is supported by two identical beam springs each of stiffness k1nbsp
question a voltage v 5dt nvnbspwhere dt is the unit impulse is supplied to the rotary capacitive mems actuator of
question the micro bridge of figure is used to evaluate the dynamic viscosity of a fluid by transverse capacitive
question a micro cantilever with a length l 200 nm width w 25 nm thickness h 2 nm youngs modulus e 160 gpa and mass
question a micro cantilever is placed on a shaker that provides a variable-frequency input displacement motion u 5