Dynamics Of Machinery Important Questions – DM Imp Qusts

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Dynamics Of Machinery Important Questions Pdf file – DM Imp Qusts

Please find the attached pdf file of Dynamics Of Machinery Important Questions Bank – DM Imp Qusts

Link – DM Question Bank

UNIT-I

  1. What is the gyroscopic effect on a ship when it turns towardsleft and the propeller rotates counterclockwise when viewedfrom stern.
  2. What is the effect of gyroscopic couple on the stability of atwo wheeler taking a turn?
  3. Explain the gyroscopic effect on an aero plane.

For more questions please download the above Pdf file

UNIT – II

  1. Explain the terms friction axis, friction couple and frictioncircle.
  2. Derive expression for the mean torque transmitted for a bodymoving down an inclined plane.
  3. Distinguish between brakes and dynamometers.

For more questions please download the above Pdf file

UNIT – III

  1. Define the terms coefficient of fluctuation of energy andcoefficient of fluctuation of speed.
  2. What is a fly wheel? What is its function?
  3. Describe the turning moment diagram for a single cylinderdouble acting steam engine.

For more questions please download the above Pdf file

UNIT – IV

  1. What is the necessity of balancing for rotors of high speedengines?
  2. What is meant by static and dynamic unbalance inmachinery?
  3. What is primary and secondary balancing in reciprocatingengines?

For more questions please download the above Pdf file

UNIT – V

  1. Describe Dunkerley’s method to find the natural frequencyof a shaft carrying several loads.
  2. Distinguish between longitudinal, transverse and torsionalvibrations.
  3. What is critical or whirling speed of shaft?

For more questions please download the above Pdf file

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