How can the input be isolated from the system?

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How can the input be isolated from the system?

1.using optocouplers

2. using op-amps

3.using a capacitor

4.using rectifiers

Posted Date:-2022-05-09 05:15:42

More MCQS Questions and answers

  1. A/D conversion rate is ____
  2. A/D converters can’t be used for low frequency ranges.
  3. ADD ON card is used for _______
  4. Feedback path element measure only input parameters.
  5. For proper feedback in a process control element, it is required to ________
  6. How many types of multiplexed system exist?
  7. In a Multichannel Analog Multiplexed System _______
  8. In a Multichannel Analog Multiplexed System, data stored in sample and hold circuit is converted into analog form.
  9. Input signal range in a PC based data acquisition system is _______
  10. Mechanical transducers generate ________
  11. Multiplexing after A/D conversion provides immunity to noise.
  12. System parameters are distinguished by physical attributes.
  13. The buffer output is _____
  14. What are auxiliary equipments?
  15. A process control system consists of ____
  16. A single channel data system consists of a signal conditioner, A/D converter and a buffer.
  17. A transducer converts _____
  18. A transducer is part of a large circuit and produces the required output.
  19. A/D converter is used for _____
  20. Amplified input signal is digitised through ____
  21. An electrical transducer consists of ________
  22. Before and after each test, calibration is carried out.
  23. Data acquisition systems are not widely used.
  24. Data analysis hardware is used for _______
  25. Digital acquisition systems are used when ____
  26. Digital outputs are obtained from _______
  27. Electrical signals are easy to amplify.
  28. Electrical transducers generate _______
  29. For lower accuracies ______
  30. How can the input be isolated from the system?
  31. How many types of transducers are there?
  32. Many channels can be monitored at the same time by ________
  33. Mechanical transducers sense ______
  34. Multichannel Analog Multiplexed System is ______
  35. Multichannel Analog Multiplexed System utilises time _____
  36. Multichannel data acquisition system has _______
  37. Multiplexing after A/D conversion involves ________
  38. Output of A/D converter is ______
  39. PC based data acquisition system displays system parameters _______
  40. Personal computer does not contain additional hardware in a PC based data acquisition system.
  41. Physical parameters change due to ______
  42. What are MIMIC displays?
  43. What is a digital recorder?
  44. What is a process control system?
  45. What is pre-amplification?
  46. What is the main function of auxiliary equipment?
  47. What is the main objective of process control?
  48. What led to the development of PC based transducers?
  49. Which is the best example of a single channel data acquisition system?
  50. Which technique is most widely used in the single channel data acquisition system?
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