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Far field consist of

Q.  
Far field consist of


Answer & Explanation

Answer :   Option: D


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More Questions Dynamics of Machinery:

Q.  
Secondary forces in reciprocating mass on engine frame are

A. of same frequency as of primary forces

B. twice the frequency as of primary forces

C. four times the frequency as of primary forces

D. none of the mentioned


Answer & Explanation

Q.  
For a gearing system, the equivalent system is made consisting of two rotors. How many nodes will this new equivalent system will have?

A. 0

B. 2

C. 1

D. 3


Answer & Explanation

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Chamber used for testing acoustic energy from sound is

A. Transmission Chamber

B. Reflection Chamber

C. Reverberation Chamber

D. Absorption Chamber


Answer & Explanation

Q.  
Let the disturbing mass be 100 kg and the radius of rotation be 20 cm and the rotation speed be 50 rad/sec then calculate the centrifugal force in kN.

A. 25

B. 50

C. 25000

D. 50000


Answer & Explanation

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