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a sensitive instrument of mass 100 kg is installed at a location that is subjected to harmonic motion with frequency 20
a delicate instrument weighing 200 n is suspended by four identical springs each with stiffness 50000 nm in a rigid box
an electric motor of mass 60 kg rated speed 3000 rpm and an unbalance 0002 kg-m is to be mounted on an isolator to
when a washing machine of mass 200 kg and an unbalance 002 kg-m is mounted on an isolator the isolator deflects by 5 mm
design the suspension of an automobile such that the maximum vertical acceleration felt by the driver is less than 2g
a diesel engine of mass 300 kg and operating speed 1800 rpm is found to have a rotating unbalance of 1 kg-m it is to be
a small machine tool of mass 100 kg operates at 600 rpm find the static deflection of an undamped isolator that
an electric motor having an unbalance of 2 kg-cm is mounted at the end of a steel cantilever beam as shown in fig 950
an electric motor of mass 20 kg and operating speed 1350 rpm is placed on a fixed-fixed steel beam of width 15 cm and
when an undamped vibration absorber having a mass 30 kg and a stiffness k is added to a spring-mass system of mass 40
a reciprocating engine is installed on the first floor of a building which can be modeled as a rigid rectangular plate
find the values of k2 and m2 in problem 954 in order to have the natural frequencies of the system at least 30 percent
a hollow steel shaft of outer diameter 2 in inner diameter 15 in and length 30 in carries a solid disc of diameter 15
a damped single-degree-of-freedom system has a mass m of 5 kg stiffness k of 20 nm and a damping constant of 5 n-sm
a bridge is found to vibrate violently when a vehicle producing a harmonic load of magnitude 600 n crosses it by
a small motor weighing 100 lb is found to have a natural frequency of 100 rads it is proposed that an undamped
an electronic instrument of mass 20 kg is to be isolated to achieve a natural frequency of 15 rads and a damping ratio
during operation the compressor unit of a refrigerator with mass 75 kg and rotational speed 900 rpm experiences a
1 what is the difference between fan and blower2 what is heat rate of power plant3 what is hydrodynamic cavitation4
ground vibrations from a crane operation a forging press and an air compressor are transmitted to a nearby milling
write a computer program to find the displacement of the main mass and the auxiliary mass of a damped dynamic vibration
using program 13m solve problem 913problem 913the data obtained in a two-plane balancing procedure are given in the
the experimental nyquist circle of a structure is shown in fig 1047 estimate the modal damping ratio corresponding to
suggest a method of using the bode plot of phase angle versus frequency fig 311b to identify the natural frequency and
determine the defect frequencies in hertz corresponding to roller inner race outer race and cage defects for a roller