At critical speed

Theory of Machines Mcqs
BILAL KHATTAK0

A.The shaforuns smoothly
B.The shaft runs with noise due to vibrations
C.The shaft becomes dynamically unstable with negligible lateral amplitudes
D.The shaft becomes dynamically unstable with large lateral amplitudes
E.None of the above

Related Mcqs:

  1. Critical speed of turbine is
  2. The critical speed of a shaft is affected by
  3. The secondary critical speed of a shaft occurs at
  4. If a centrifugal pump is noisy in operation, the cause may be________________?
  5. The speed of gas turbine is usually
  6. Diesel engine has air fuel ratio of 30 ; 1 during idling. A petrol engine can also work on such mixture provided
  7. In vibration analysis ‘Beat’ frequency is
  8. The vibrations in which the restoring forces are not proportional to the displacements and the first power of velocity are known as
  9. At node of the shaft
  10. A stretched string of a guitar when operated is subjected to

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