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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
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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
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MCQs: What is meant by node point?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: What is meant by coupled differential equation?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The motion of a system executing harmonic motion with one natural frequency is known as _______
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following instruments measure amplitude of a vibrating body?
Category: Mechanical Engineering Questions, Published by: teswesm
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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
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MCQs: Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following statements is true about stroboscope?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Temperature monitoring technique uses which of the following devices to measure temperature of the machining surfaces?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: What is the function of the controller in active vibration isolation systems?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Transmissibility is the ratio of ______
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following statements is/are false for pneumatic isolators ? 1. Pneumatic isolators are used when driving frequencies below 10 Hz are present 2. Nausea is caused due to noise at low frequencies 3. At high natural frequencies, isolators can obtain efficiency of 90% 4. Pneumatic isolators have limited load carrying capacity
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following statements is/are true for elastomers?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following methods can be used to control the noise level at source?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: What is the function of frequency analyzer?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which instrument integrates sound pressure as a function of time over a period of time?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: What are the adverse effects of noise on the organizations?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The process of maintaining appropriate noise level without considering economic factors is called as _____
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: When a person enters a far field from a near field, the sound pressure level drops off at the rate of _______
Category: Mechanical Engineering Questions, Published by: teswesm
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