engineering recuitment ONGC AEE Mechanical Mock Test 2025 Mechanical Vibrations Undamped Free Vibration Torsional Vibration
Based on the comparison of a hollow shaft with a solid shaft for the same weight following statements are made
I. Natural frequency of hollow shaft is higher than that of the solid shaft.
II. Stiffness of a hollow shaft is more than that of a solid shaft.
III. The diameter of a hollow shaft is greater than that of a solid shaft for same torque transmission.
IV. Hollow shaft is manufactured by extrusion process.
Choose the best statements from above which signify the advantages of hollow shaft over a solid shaft and answer below:
1
Statements I and II only
2
Statements II and III only
3
Statements III and IV only
4
Statements I and IV only
5
Statements I, II and III only