Engineer Noise and Vibration

Engineer Noise and Vibration (소음진동기사, South Korea)

Vibration Control TechnologyEnglish
Exam overview

Practice session

What is the theoretical undamped natural frequency (고유진동수 fn) of a single-degree-of-freedom (1-DOF) mechanical spring-mass system with mass m = 25 kg and spring stiffness k = 10,000 N/m?

Loading your practice session…