1
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 _____________
Your input ____
2
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 17 English
Your input ____
3
GATE ME 2013
MCQ (Single Correct Answer)
+2
-0.6
A single degree of freedom system having mass $$1$$ $$kg$$ and stiffness $$10$$ $$kN/m$$ initially at rest is subjected to an impulse force of magnitude $$5$$ $$kN$$ for $${10^{ - 4}}$$ seconds. The amplitude in $$mm$$ of the resulting free vibration is
A
$$0.5$$
B
$$1.0$$
C
$$5.0$$
D
$$10.0$$
4
GATE ME 2012
MCQ (Single Correct Answer)
+2
-0.6
A concentrated mass $$m$$ is attached at the centre of a rod of length $$2L$$ as shown in the figure. The rod is kept in a horizontal equilibrium position by a spring of stiffness $$k.$$ For very small amplitude of vibration, neglecting the weights of the rod and spring, the un damped natural frequency of the system is GATE ME 2012 Theory of Machines - Vibrations Question 23 English
A
$$\sqrt {{{K} \over m}} $$
B
$$\sqrt {{{2K} \over m}} $$
C
$$\sqrt {{K \over {2m}}} $$
D
$$\sqrt {{{4K} \over m}} $$
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