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When the system vibrates with second natural frequency

Q.  
When the system vibrates with second natural frequency


Answer & Explanation

Answer :   Option: B


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More Questions Dynamics of Machinery:

Q.  
In an electro-rheological damper, fluid changes its viscosity according to applied ______ field.

A. electric

B. stress

C. magnitic

D. None of the above


Answer & Explanation

Q.  
In a three rotor system, free torsional vibration occur

A. if there is only one node.

B. if there are only two node.

C. if there is one or two nodes.

D. None of the above


Answer & Explanation

Q.  
What is the minimum value of damping factor for which the magnification factor is always less than one

A. 0

B. 0.577

C. 0.707

D. 1


Answer & Explanation

Q.  
Which among the following is the fundamental equation of S.H.M.?

A. x + (k / m) x =0

B. x + ω2x =0

C. x + (k/ m)2 x =0

D. none of these


Answer & Explanation
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