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Longitudinal vibrations are said to occur when the particles of a body moves

Q.  
Longitudinal vibrations are said to occur when the particles of a body moves


Answer & Explanation

Answer :   Option: B


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More Questions Dynamics of Machinery:

Q.  
If the unbalanced system is not set right then.

A. Static forces develop

B. Dynamic forces develop

C. Tangential forces develop

D. Radial forces develop


Answer & Explanation

Q.  
The secondary unbalanced force produced by the reciprocating parts of a certain cylinder of a given engine with crank radius r and connecting rod length l can be considered as equal to primary unbalanced force produced by the same weight having

A. an equivalent crank radius r2 /4l and rotating at twice the speed of the engine

B. r2 /4l as equivalent crank radius and rotating at engine speed

C. equivalent crank length of r2 /4l and rotating at engine speed

D. none of the mentioned


Answer & Explanation

Q.  
The receiver in the noise control system is usually

A. source machine

B. computer

C. wall

D. human


Answer & Explanation

Q.  
An undamped vibration absorber removes the original resonance peak but introduces

A. several new peaks

B. two new peaks

C. one new peak

D. None of the above


Answer & Explanation
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