A motor generator set, as shown in Fig.24.13, consists of two armatures A and C connected with a flywheel between them at B. The modulus of rigidity of the connecting shaft is 84 GPa. The system can vibrate torsionally with one node at 95 mm from A, the flywheel being at antinode. Find (a) the position of another node (b) the natural frequency of vibration and (c) the radius of gyration

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Q: (b) A passenger car has a tyre spring rate of 18,900 N/m. The front suspension rate is 1,450 N/m and…

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Q: when an engine with a mass of 400 kg is mounted on an elastic foundation, the foundation deflects 5…

A: given data; mass of engine(m)=400kgfoundaion deflection(δ)=5mmnatura frequency(ωn)=?

Strain Gauges

All the components used in civil engineering and mechanical engineering applications undergo deformations due to induced internal stresses under the application of external loads. Under repeated application of loads, there is a high possibility of failure of the components. Hence, periodic monitoring of the components and determination of stresses are very important.