1
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+2
-0.6
Considering massless rigid rod and small oscillations, the natural frequency (in rad/s) of vibration of the system shown in the figure is GATE ME 2015 Set 1 Theory of Machines - Vibrations Question 25 English
A
$$\sqrt {{{400} \over 1}} $$
B
$$\sqrt {{{400} \over 2}} $$
C
$$\sqrt {{{400} \over 3}} $$
D
$$\sqrt {{{400} \over 4}} $$
2
GATE ME 2014 Set 4
Numerical
+2
-0
A single degree of freedom system has a mass of 2kg, stiffness 8 N/m and viscous damping ratio 0.02. The dynamic magnification factor at an excitation frequency of 1.5 rad/s is ___________
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3
GATE ME 2014 Set 3
Numerical
+2
-0
A mass-spring-dashpot system with mass m = 10 kg, spring constant k = 6250 N/m is excited by a harmonic excitation of 10 cos(25t) N. At the steady state, the vibration amplitude of the mass is 40mm. The damping coefficient (c, in N.s/m) of the dashpot is ______________ GATE ME 2014 Set 3 Theory of Machines - Vibrations Question 27 English
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4
GATE ME 2014 Set 3
Numerical
+2
-0
The damping ratio of a single degree of freedom spring-mass-damper system with mass of $$1$$ kg, stiffness $$100 N/m$$ and viscous damping coefficient of $$25$$ $$N.s/m$$ is _____________
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