TasDia Network
TasDia Network

MCQs 1: Which type of instruments do not require separate power source for measuring vibratory response of a vibratory system?

Active instruments Passive instruments Both a. and b. None of the above
Answer Explanation

MCQs 2: Which type of frequency measuring instrument has multiple reeds of different natural frequency to measure vibrations?

Fullarton tachometer Frahm Tachometer Both a. and b. None of the above
Answer Explanation

MCQs 3: Which of the following statements is true about stroboscope?

Stroboscope is non-contact type frequency instrument Stroboscope can measure frequency upto 5 Hz Stroboscope uses electromagnetic radiations to measure frequency All of the above
Answer Explanation

MCQs 4: Temperature monitoring technique uses which of the following devices to measure temperature of the machining surfaces?

Pyrometers Thermocouples Thermometers All of the above
Answer Explanation

MCQs 5: What is the function of the controller in active vibration isolation systems?

Detect vibrations to be controlled Reposition the masses Interpret detected vibrations and execute commands All of the above
Answer Explanation

MCQs 6: Transmissibility is the ratio of ______

force transmitted to the supporting structure and force impressed upon the system displacement amplitude of mass and displacement amplitude of supporting structure both a. and b. none of the above
Answer Explanation

MCQs 7: 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

Only statement 1 Only statement 3 Only statement 2, 4 All the above statements are false
Answer Explanation

MCQs 8: Which of the following statements is/are true for elastomers?

Elastomers can be used for static deflections up to 12 mm Elastomers can provide natural frequencies below 5 Hz Elastomers have good performance at high frequencies All the above statements are true
Answer Explanation

MCQs 9: Which of the following methods can be used to control the noise level at source?

Changing design process Using sound enclosures Controlling vibration All of the above
Answer Explanation

MCQs 10: What is the function of frequency analyzer?

It analysis noise signal in frequency domain into various frequency bands by magnetically separating the signal It analysis noise signal in frequency domain into various frequency bands by electronically separating the signal It analysis noise signal in frequency domain into various frequency bands by electromagnetically separating the signal 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.