search
Log In
0 votes

In vibration isolation, which one of the following statements is NOT correct regarding Transmissibility (T)?

  1. T is nearly unity at small excitation frequencies
  2. T can be always reduced by using higher damping at any excitation frequency
  3. T is unity at the frequency ratio of $\sqrt{2}$
  4. T is infinity at resonance for undamped systems
in Applied Mechanics and Design 24.6k points
recategorized by

Please log in or register to answer this question.

Answer:

Related questions

0 votes
0 answers
A $10$ mm deep cylindrical cup with diameter of $15$ mm is drawn from a circular blank. Neglecting the variation in the sheet thickness, the diameter (upto $2$ decimal points accuracy) of the blank is _________ mm.
asked Feb 27, 2017 in Applied Mechanics and Design Arjun 24.6k points
0 votes
0 answers
Considering massless rigid rod and small oscillations, the natural frequency (in $rad/s$) of vibration of the system shown in the figure is $\sqrt{\dfrac{400}{1}} \\$ $\sqrt{\dfrac{400}{2}} \\$ $\sqrt{\dfrac{400}{3}} \\$ $\sqrt{\dfrac{400}{4}} $
asked Feb 24, 2017 in Applied Mechanics and Design Arjun 24.6k points
0 votes
0 answers
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 $0.5$ $1.0$ $5.0$ $10.0$
asked Feb 19, 2017 in Applied Mechanics and Design piyag476 1.4k points
0 votes
0 answers
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 _______
asked Feb 19, 2017 in Applied Mechanics and Design Arjun 24.6k points
0 votes
0 answers
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
asked Feb 19, 2017 in Applied Mechanics and Design Arjun 24.6k points
...