What is the total number of nodes formed in a three rotor system if the rotors at one of the ends and the one in the middle rotate in the

Related MCQs

• A single cylinder oil engine works with a three rotor system, the shaft length is 2.5m and 70mm in diameter, the middle rotor is at a distance 1.5m from one end. Calculate the free torsional vibration frequency for a single node system in Hz if the mass moment of inertia of rotors in Kg-m2 are: 0.15, 0.3 and 0.09. C=84 kN/mm2
• A single cylinder oil engine works with a three rotor system, the shaft length is 2.5m and 70mm in diameter, the middle rotor is at a distance 1.5m from one end. Calculate the free torsional vibration frequency for a two node system in Hz if the mass moment of inertia of rotors in Kg-m2 are: 0.15, 0.3 and 0.09. C=84 kN/mm2
• Consider the following statements: Two rotors mounted on a single shaft can be considered to be equivalent to a geared-shaft system having two rotors provided 1. The kinetic energy of the equivalent system is equal to that of the original system. 2. The strain energy of the equivalent system is equal to that of the original system. 3. The shaft diameters of the two systems are equal. Which of these statements are correct?
• In a three rotor system, for the middle rotor, if the stiffness of both the length either side of the rotor is increased to two times what will
• In the diagram shown below, if rotor X and rotor Z rotate in same direction and rotor Y rotates in opposite direction, then specify the type of node vibration.
• Two rotors A and B are connected to the two ends of a shaft of uniform diameter. The mass moment of inertia of rotor A about the
• What is the number of nodes in a shaft carrying three rotors?
• For a gearing system, the equivalent system is made consisting of two rotors. How many nodes will this new equivalent system will have?
• Which one of the following is correct for a shaft carrying two rotors at its ends?
• In a multi-rotor system of torsional vibration maximum number of nodes that can occur is: