Determine magnitude of balancing mass required if 250 mm is the radius of rotation. Masses of A, B and C are 300 kg, 250 kg and 100 kg which have radii of rotation as 50 mm, 80 mm and 100 mm respectively . The angles between the consecutive masses are 110° and 270° respectively.
A. 45.36 kg
B. 47.98 kg
C. 40.50 kg
D. None of the above
A. Condition 1 and condition 2
B. Condition 1 and condition 3
C. Condition 3 and condition 4
D. All of the above
Which of the following factors are not responsible for unbalancing in rotating systems?
A. Errors
B. Tolerances
C. Shape of the rotor
D. None of the above
What are discrete parameter systems?
A. Systems which have infinite number of degree of freedom
B. Systems which have finite number of degree of freedom
C. Systems which have no degree of freedom
D. None of the above
In which type of vibrations, amplitude of vibration goes on decreasing every cycle?
A. Damped vibrations
B. Undamped vibrations
C. Both a. and b.
D. None of the above
Which of the following vibrations are classified according to magnitude of actuating force?
A. Torsional vibrations
B. Deterministic vibrations
C. Transverse vibrations
D. All of the above