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Noise that is produced by combining sounds of all different frequencies together within...

Q.  
Noise that is produced by combining sounds of all different frequencies together within the range of human hearing is called as


Answer & Explanation

White noise is produced by combining sounds of all different frequencies together within the range of human hearing.

Thus correct option is: B.

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More Questions Dynamics of Machinery:

Q.  
When the amplitude of vibration of the main system, while operating at at its original resonant frequency becomes zero, then it is called as ______ absorber.

A. tunned

B. untunned

C. uncontrolled

D. None of the above


Answer & Explanation

Q.  
In which direction does the accelerating force acts?

A. Opposite to the motion

B. Along the motion

C. Perpendicular to motion

D. Variable


Answer & Explanation

Q.  
Measurement of natural frequency helps

A. to select the material

B. to select the mass

C. to select the operating speed

D. to select the operator


Answer & Explanation

Q.  
Vibrations due to earthquake is an example of

A. Linear vibration

B. Random vibration

C. all of these

D. none of these


Answer & Explanation
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