MCQs: Eddy current damping is an example of _____
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which of the following relations is true for viscous damping?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: What is meant by critical damping coefficient?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which of the following statements is/are true for coulomb damping? 1. Coulomb damping occurs due to friction between two lubricated surfaces 2. Damping force is opposite to the direction of motion of vibrating body 3. For smooth surfaces, coefficient of friction depends upon velocity 4. Damping force depends upon the rubbing velocity between two rubbing surfaces
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: In damped free vibrations, which parameters indicate vibrations?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots.
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: At which frequency ratio, phase angle increases as damping factor increases?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: What is the effect of damping on phase angle at resonance frequency?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Calculate damped natural frequency, if a spring mass damper system is subjected to periodic disturbing force of 30 N. Damping coefficient is equal to 0.76 times of critical damping coefficient and undamped natural frequency is 5 rad/sec
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Calculate critical speed of a vehicle which moves on a road having sinusoidal profile of wavelength 2.5 m. The mass of the vehicle is 300 kg and natural frequency of its spring suspension system is 8 rad/sec
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: What is meant by node point?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: What is meant by coupled differential equation?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: The motion of a system executing harmonic motion with one natural frequency is known as _______
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which of the following instruments measure amplitude of a vibrating body?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which type of instruments do not require separate power source for measuring vibratory response of a vibratory system?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Which of the following statements is true about stroboscope?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Temperature monitoring technique uses which of the following devices to measure temperature of the machining surfaces?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: What is the function of the controller in active vibration isolation systems?
Category: Mechanical Engineering Questions, Published by: teswesm
|
MCQs: Transmissibility is the ratio of ______
Category: Mechanical Engineering Questions, Published by: teswesm
|