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Often an unbalance of forces is produced in rotary or reciprocating machinery due...

Q.  
Often an unbalance of forces is produced in rotary or reciprocating machinery due to the ______.


Answer & Explanation

Answer :   Option: D


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More Questions Dynamics of Machinery:

Q.  
Find the critical speed of the shaft when natural frequency 12 rad/sec and wavelength of 4 m.

A. 0.764 m/sec

B. 7.64 m/sec

C. 76.4m/sec

D. 764 m/sec


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Amplitude in two rotor torsional vibrations is in

A. Same direction

B. Opposite direction

C. Perpendicular direction

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C. residential area

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