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using the equations of harmonic motion obtain the relationship for the velocity versus frequency applicable to the
a vibration pickup has a sensitivity of 20 mvcmsassuming that 3 mv rms is the accuracy limit of the instrument
the sensitivity of a certain crystal accelerometer is given as 18 pcg with its capacitance equal to 450 pfit is used
for a system with hysteresis damping show that the structural damping factor y is equal to the loss factor at
show that the response to a unit step function designated by gt is related to the impulsive response ht by the equation
an undamped spring-mass system is given a base excitation of yt 201 - 51 if the natural frequency of the system is wn
question obtain a mathematical model for the mems sketched in figure to connect the input voltage to the output
show that tntd plotted against zeta is a quarter circle where td is the damped natural period and tn is the undamped
for the system shown in figure verify that the transmissibilitytrxy is the same as that for force plot the
question a straight deformable bar of cross-sectional area a 25 mm2nbsp length l 100 cm mass density t 7800 kgm3nbsp
qusetion the micro cantilever of problem is used to sense the mass of a particle mp that attaches to its free end
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