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Resonance is the phenomenon when the frequency of external force is

Q.  
Resonance is the phenomenon when the frequency of external force is


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Answer :   Option: C


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More Questions Dynamics of Machinery:

Q.  
A motion is aperiodic at what value of the damping factor?

A. 1.0 or above

B. 0.5

C. 0.2

D. 0.866


Answer & Explanation

Q.  
Hydraulic door closer is an example of

A. critical damped system

B. over damped system

C. under damped system

D. all of these


Answer & Explanation

Q.  
A system in dynamic balance implies that

A. the system is critically damped

B. there is no critical speed in the system

C. the system is also statically balanced

D. there will absolutely no wear of bearings


Answer & Explanation

Q.  
Single noise source in most cities is caused by?

A. Air traffic

B. Water traffic

C. Road traffic

D. Rail traffic


Answer & Explanation
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