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1
GATE ME 2003
MCQ (Single Correct Answer)
+2
-0.6
A uniform rigid slender bar of mass $$10$$ $$kg.$$ is hinged at the left end is suspended with the help of spring and damper arrangement as shown in the figure where $$K = 2kN/m,$$ $$C =500Ns/m$$ and the stiffness of the torsional spring $${K_\theta }$$ is 1 kN/m/rad. Ignore the hinge dimensions. GATE ME 2003 Theory of Machines - Vibrations Question 47 English

The damping coefficient in the vibration equation is given by

A
$$500$$ Nms/rad
B
$$500$$ N/(m/s)
C
$$80$$ Nms/rad
D
$$80$$ N/(m/s)
2
GATE ME 2001
MCQ (Single Correct Answer)
+2
-0.6
The assembly shown in the figure is composed of two massless rods of length $$l$$ with two particles, each of mass $$m$$. The natural frequency of this assembly for small oscillations is GATE ME 2001 Theory of Machines - Vibrations Question 50 English
A
$$\sqrt {g/\ell } $$
B
$$\sqrt {2g/\left( {\ell \cos \alpha } \right)} $$
C
$$\sqrt {g/\left( {\ell \cos \alpha } \right)} $$
D
$$\sqrt {\left( {g\cos \alpha } \right)/\ell } $$
3
GATE ME 2000
MCQ (Single Correct Answer)
+2
-0.6
As shown in Figure, a mass of 100 kg is held between two springs. The natural frequency of vibration of the system, in cycles/s, is GATE ME 2000 Theory of Machines - Vibrations Question 51 English
A
$${1 \over {2\pi }}$$
B
$${5 \over {\pi }}$$
C
$${10 \over {\pi }}$$
D
$${20 \over {\pi }}$$
4
GATE ME 1999
MCQ (Single Correct Answer)
+2
-0.6
Consider the system of two wagons shown in Figure. The natural frequencies of this system are GATE ME 1999 Theory of Machines - Vibrations Question 52 English
A
$$0,\sqrt {{{2k} \over m}} $$
B
$$\sqrt {{k \over m}} ,\sqrt {{{2k} \over m}} $$
C
$$\sqrt {{k \over m}} ,\sqrt {{k \over {2m}}} $$
D
$$0,\sqrt {{{k} \over 2m}} $$
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