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In order to have a complete balance of the several revolving masses in...

Q.  
In order to have a complete balance of the several revolving masses in different planes


Answer & Explanation

For complete balancing of revolving masses, both the resultant force & couple must be zero.

Thus correct option is: C.

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More Questions Dynamics of Machinery:

Q.  
A machine operating at 1800 rpm is vibrating due to rotating unbalance. The frequency of vibration is

A. 18.8 rad/s

B. 188 rad/s

C. 30 rad/s

D. Insufficient data


Answer & Explanation

Q.  
Critical damping coefficient depends on

A. Mass of the system

B. Stiffness of the spring

C. Both mass of the system and stiffness of the system.

D. none of these


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Q.  
In two degrees of freedom system to describe the motion completely we need

A. Two independent coordinates

B. Two dependent coordinates

C. One independent and one dependent coordinator

D. Both dependent coordinators


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Indoor noise can be caused by ?

A. home appliances

B. honking

C. vehicles

D. construction equipments


Answer & Explanation
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