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When a single DOF system is excited by a harmonic force, the phase...

Q.  
When a single DOF system is excited by a harmonic force, the phase of steady state displacement near resonance is


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Answer :   Option: A


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More Questions Dynamics of Machinery:

Q.  
An example of a source of vibration that cannot be altered is:

A. atmospheric turbulance

B. hammer blow

C. tire stiffness of an automobile.

D. None of the above


Answer & Explanation

Q.  
Motion represented by over damped system is

A. aperiodic motion

B. periodic motion

C. none of these

D. all of these


Answer & Explanation

Q.  
In damped free vibrations, which parameters indicate vibrations?

A. Natural frequency

B. Rate of decay of amplitude

C. Both a. and b.

D. None of the above


Answer & Explanation

Q.  
Which of the following is correct regarding isolation factor?

A. Dimensionless quantity

B. Has Newton as its unit

C. Has joule as its Unit

D. Has Hz as its unit


Answer & Explanation
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