purchase of equipments for mechanical engineering lab ( s7 ) , free and forced vibration simulator with daq, accelerometer, pcbased software for time / fftplotting tofind the natural frequencies. listof experiments 1. determination of natural frequencies 2. free and forced vibration studies 3.tuned mass damper studies , transfer function study of dc servomotor: - dc servomotors peed torquecharacteristics to studytransfer function study of dc servomotor , transfer function study of ac servomotor: - two phase ac servomotor speed – torque characteristics study unit to studytransfer function study of ac servomotor , stepper motor using microprocessor study trainer kit specifications ? micro processor based control unit ? stepper motor driver section ? lcd display section ? control keys ?stepper motor control by ?forwardand reverse? step angle variation ? speed variation ? inbuilt power supply wooden or metal cabinet , whirling of shaft apparatus with motor vfd control daq, accelerometer, pc based software for rpm and time / fftplottingto find thenatural frequencies. list of experiments 1. whirling speed prediction 2. bump testing 3. runup testing