Articles Posted in the " MCQ " Category

  • Mcq: Thermodynamics – 2

    Mcq: Thermodynamics – 2

    Mcq: Thermodynamics – 2 Internal energy of a substance is a function of only (a) Temperature (b) Pressure (c) Velocity (d) None (Ans: a) Potential energy of a substance is a function of only (a) Temperature (b) Pressure (c) Velocity (d) None (Ans: d) Kinetic energy of a substance is a function of only (a) […]


  • * CRITICAL SPEED – Short Interview Question Answers

    * CRITICAL SPEED – Short Interview Question Answers

     Short Interview Question Answers-Critical speed CRITICAL SPEED / WHIRLING SPEED / WHIPPING SPEED Critical speed is the rotational speed which is equal to the numerical value of the natural frequency of vibration. Then it is said that rotational speed and natural frequency are in resonance. At this speed, a rotating shaft becomes dynamically unstable with […]