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Mastering Hammer Blow and Under Damped Vibrating Systems
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Mastering Hammer Blow and Under Damped Vibrating Systems

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Questions and Answers

Which one of the following statements accurately describes the hammer blow in a reciprocating system?

  • It varies inversely with the square of the speed
  • It varies as the square root of the speed
  • It is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses
  • It is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses (correct)

    • In an underdamped vibrating system, what happens to the amplitude of vibration over time?

  • It decreases linearly with time
  • It increases linearly with time
  • It decreases exponentially with time (correct)
  • It increases exponentially with time

    • What is the mobility of a statically indeterminate structure?

  • 0
  • 1
  • Less than or equal to -1
  • Greater than or equal to 2 (correct)

    • What happens when two non-collinear parallel equal forces act in opposite directions?

    <p>They constitute a couple</p> Signup and view all the answers

    What term is used to describe the range of tightness or looseness resulting from the allowances and tolerances in mating parts?

    <p>Fits</p> Signup and view all the answers

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