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Recent questions tagged effect-of-damping
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GATE2020-ME-2: 7
The equation of motion of a spring-mass-damper system is given by $\dfrac{d^2x}{dt^2}+3 \dfrac{dx}{dt} +9x = 10 \sin(5t)$ The damping factor for the system is $0.25$ $0.5$ $2$ $3$
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Vibrations
Sep 18, 2020
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go_editor
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gateme-2020-set2
effect-of-damping
vibrations
applied-mechanics-and-design
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0
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GATE2015-3-19
Which of the following statements are TRUE for damped vibrations? P. For a system having critical damping, the value of damping ratio is unity and system does not undergo a vibratory motion. Q. Logarithmic decrement method is used to determine the amount of damping in a physical ... proportional to the square of relative velocity. P and Q only P and S only P, Q and R only Q and S only
Arjun
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in
Vibrations
Feb 24, 2017
by
Arjun
27.4k
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gateme-2015-set3
effect-of-damping
vibrations
applied-mechanics-and-design
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0
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GATE2015-2-36
A single-degree-freedom spring-mass system is subjected to a sinusoidal force of $10$ $N$ amplitude and frequency $ω$ along the axis of the spring. The stiffness of the spring is $150$ $N/m$, damping factor is $0.2$ and the undamped natural frequency is $10ω$. At steady state, the amplitude of vibration (in $m$) is approximately $0.05$ $0.07$ $0.70$ $0.90$
Arjun
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in
Vibrations
Feb 24, 2017
by
Arjun
27.4k
points
gateme-2015-set2
effect-of-damping
vibrations
applied-mechanics-and-design
0
answers
0
votes
GATE2015-2-10
In a spring-mass system, the mass is m and the spring constant is $k$. The critical damping coefficient of the system is $0.1$ $kg/s$. In another spring-mass system, the mass is $2m$ and the spring constant is $8k$. The critical damping coefficient (in $kg/s$) of this system is ____________
Arjun
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in
Vibrations
Feb 24, 2017
by
Arjun
27.4k
points
gateme-2015-set2
numerical-answers
effect-of-damping
vibrations
applied-mechanics-and-design
0
answers
0
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GATE Mechanical 2014 Set 3 | Question: 40
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 $40$ $mm$. The damping coefficient ($c$, in $N.s/m$) of the dashpot is _______
Arjun
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Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
points
gateme-2014-set3
numerical-answers
applied-mechanics-and-design
vibrations
effect-of-damping
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answers
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GATE Mechanical 2014 Set 3 | Question: 8
Consider a single degree-of-freedom system with viscous damping excited by a harmonic force. At resonance, the phase angle (in degree) of the displacement with respect to the exciting force is $0$ $45$ $90$ $135$
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Vibrations
Feb 19, 2017
by
Arjun
27.4k
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gateme-2014-set3
effect-of-damping
vibrations
applied-mechanics-and-design
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GATE Mechanical 2014 Set 1 | Question: 8
Critical damping is the largest amount of damping for which no oscillation occurs in free vibration smallest amount of damping for wh ich no oscillation occurs in free vibration largest amount of damping for which the motion is simple harmonic in f ree vibration smallest amount of dam ping for which the motion is simple harmonic in free vibration
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Applied Mechanics and Design
Feb 19, 2017
by
Arjun
27.4k
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gateme-2014-set1
applied-mechanics-and-design
vibrations
effect-of-damping
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