Logarithmic decrement of a damped single degree of freedom system is � – McqOptions

MCQOPTIONS

1.	Logarithmic decrement of a damped single degree of freedom system is δ. If stiffness of the spring is doubled and mass is made half, then logarithmic decrement of the new system will be equal to
A.	1/2δ
B.	δ
C.	2δ
D.	1/4 δ
Answer» C. 2δ

Discussion

No Comment Found

Related MCQs

Damping force per unit velocity is known as
A vehicle suspension system consists of a leaf spring and a damper. The stiffness of the leaf spring is 3.6 kN/m and damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor and damped natural frequency respectively are
In a spring dash pot, mass system if m = mass, k = spring stiffness and ωn = natural frequency of vibration, then critical damping is equal to
Damping is beneficial only when:
A mass of 1 kg is attached to the end of a spring with stiffness 0.9 N/mm. The critical damping coefficient of this system is ____.
Critical damping is the
Logarithmic decrement of a damped single degree of freedom system is δ. If stiffness of the spring is doubled and mass is made half, then logarithmic decrement of the new system will be equal to
A machine component of natural frequency 20 rad/s is subjected to a base motion from the machine which is harmonic in nature with acceleration of 3 m/s2 at 10 rad/s. What is the peak amplitude of relative displacement of the components if the damping is negligible?
Critical damping is a function of _________.
In an underdamped vibration system, logarithmic decrement is given by: