TasDia Network
TasDia Network

MCQs 1: Which of the following conditions should be satisfied for static balancing? 1. Dynamic forces acting on the system should be zero 2. Couple acting on the system due to dynamic force should be zero 3. Centrifugal forces acting on the system should be zero 4. Couple acting on the system due to centrifugal forces should be zero

Condition 1 and condition 2 Condition 1 and condition 3 Condition 3 and condition 4 All of the above
Answer Explanation

MCQs 2: Which of the following factors are not responsible for unbalancing in rotating systems?

Errors Tolerances Shape of the rotor None of the above
Answer Explanation

MCQs 3: 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.

45.36 kg 47.98 kg 40.50 kg None of the above
Answer Explanation

MCQs 4: What are discrete parameter systems?

Systems which have infinite number of degree of freedom Systems which have finite number of degree of freedom Systems which have no degree of freedom None of the above
Answer Explanation

MCQs 5: In which type of vibrations, amplitude of vibration goes on decreasing every cycle?

Damped vibrations Undamped vibrations Both a. and b. None of the above
Answer Explanation

MCQs 6: Which of the following vibrations are classified according to magnitude of actuating force?

Torsional vibrations Deterministic vibrations Transverse vibrations All of the above
Answer Explanation

MCQs 7: What are deterministic vibrations?

Vibrations caused due to known exciting force Vibrations caused due to unknown exciting force Vibrations which are aperiodic in nature None of the above
Answer Explanation

MCQs 8: According to which method, maximum kinetic energy at mean position is equal to maximum potential energy at extreme position?

Energy method Rayleigh's method Equilibrium method All of the above
Answer Explanation

MCQs 9: Determine natural frequency of a system, which has equivalent spring stiffness of 30000 N/m and mass of 20 kg?

12.32 Hz 4.10 Hz 6.16 Hz None of the above
Answer Explanation

MCQs 10: Magnification factor is the ratio of ______

zero frequency deflection and amplitude of steady state vibrations amplitude of steady state vibrations and zero frequency deflection amplitude of unsteady state vibrations and zero frequency distribution none of the above
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.