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If a system is having three degree of freedom , how many natural...

Q.  
If a system is having three degree of freedom , how many natural frequencies it will have?


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Answer :   Option: C


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More Questions Dynamics of Machinery:

Q.  
Which of the following relations is true for viscous damping?

A. Force proportional to relative displacement

B. Force proportional to relative velocity

C. Force inversely proportional to relative velocity

D. None of the above


Answer & Explanation

Q.  
In order to balance the reciprocating masses,

A. primary forces and couples must be balanced

B. secondary forces and couples must be balanced

C. both (a) and (b)

D. none of these


Answer & Explanation

Q.  
In steady state forced vibrations, the amplitude of vibrations at resonance is how much to damping coefficient?

A. Equal to

B. Directly proportional to

C. Indirectly proportional to

D. Independent of


Answer & Explanation

Q.  
Materials made from vegetable and mineral fibers, elastomeric foams, glass blankets, fiber boards are example of

A. Membrane sound absorber material

B. Resonators sound absorber material

C. Porous sound absorber material

D. Non-porous panels


Answer & Explanation
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