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A harmonically excited single DOF oscillator has the force transmissibility equal to or...

Q.  
A harmonically excited single DOF oscillator has the force transmissibility equal to or less than one at all excitation frequencies when damping factor of the system is


Answer & Explanation

Answer :   Option: C


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More Questions Dynamics of Machinery:

Q.  
A harmonically excited single DOF oscillator has the force transmissibility equal to √2 (square root of two) when the excitation frequency is equal to the undamped natural frequency. The damping factor of the system is

A. 0.5

B. 0.7

C. 1

D. Insufficient data


Answer & Explanation

Q.  
The motion of an 2 degree-of-freedom system is governed by a system of

A. 2 coupled second-order ordinary differential equations.

B. 2 coupled second-order partial differential equation.

C. 2 uncoupled second-order ordinary differential equations.

D. 2 uncoupled second-order partial differential equation.


Answer & Explanation

Q.  
In Transmissibility curve, In which region isolation is really effective?

A. ω/ωn>>1

B. ω/ωn<<1

C. ω/ωn=1

D. ω/ωn=0


Answer & Explanation

Q.  
In which of the following cases, overdamping occurs?

A. Roots are real

B. Roots are complex conjugate

C. Roots are equal

D. Independent of the equation


Answer & Explanation
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