engineering recuitment HPCL Engineer Mock Test 2024 Mechanical Vibrations Forced Vibration Transmissibility and Magnification Factor
Consider the following statements:
Artefacts to prevent harmful effects resulting from vibrations of an unbalanced machine fixed on its foundation include
1. Mounting the machine on springs thereby minimizing the transmission of forces
2. Using vibration isolating materials to prevent or reduce the transmission of forces
3. Moving the foundation so as to have only one degree of freedom towards reducing the transmission of forces
Which of the above statements are correct?1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3