1
GATE ME 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
A rigid uniform rod $$AB$$ of length $$L$$ and mass $$m$$ is hinged at $$C$$ such that $$AC = L/3, CB = 2L/3.$$ Ends $$A$$ and $$B$$ are supported by springs of spring constant $$k.$$ The natural frequency of the system is given by GATE ME 2014 Set 1 Theory of Machines - Vibrations Question 20 English
A
$$\sqrt {{K \over 2m}} $$
B
$$\sqrt {{K \over m}} $$
C
$$\sqrt {{2K \over m}} $$
D
$$\sqrt {{5K \over m}} $$
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
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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4
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
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