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Pass-by noise measurements can actually be simulated indoor using a suitable

Q.  
Pass-by noise measurements can actually be simulated indoor using a suitable


Answer & Explanation

Answer :   Option: C


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More Questions Dynamics of Machinery:

Q.  
In which direction does the damping force acts?

A. Opposite to the motion

B. Along the motion

C. Perpendicular to motion

D. Variable


Answer & Explanation

Q.  
In case of a harmonically excited single DOF system, the frequency of steady state vibration of the mass is equal to the

A. Natural frequency

B. Damped natural frequency

C. Excitation frequency

D. Combination of natural, damped natural and excitation frequencies


Answer & Explanation

Q.  
If damping ratio is greater than unity then system is called as

A. Critically damped system

B. Over damped system

C. Under damped system

D. None of these


Answer & Explanation

Q.  
Increasing which of the given factors would result in increase of free torsional vibration?

A. Radius of gyration

B. Mass moment of inertia

C. Polar moment of inertia

D. Length


Answer & Explanation
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