Measurement and Instrumentation MCQ Questions and Answers Quiz

21. An instrument transformer is used to extend the range of

  1. induction instrument
  2. electrostatic instrument
  3. moving coil instrument
  4. any of the above

22. An ohmmeter is a

  1. moving iron instrument
  2. moving coil instrument
  3. dynamometer instrument
  4. none of the above

23. Basically a potentiometer is a device for

  1. comparing two voltages
  2. measuring a current
  3. comparing two currents
  4. measuring a voltage

24. Commonly used instruments in power system measurement are

  1. induction
  2. moving coil or iron
  3. rectifier
  4. electrostatic

25. Commonly used standard capacitor is

  1. spherical type
  2. concentric cylindrical type
  3. electrostatic type
  4. multilayer parallel plate type

26. Damping of the Ballistic galvanometer is made small to

  1. get first deflection large
  2. make the system oscillatory
  3. make the system critically damped
  4. get minimum overshoot

27. E.m.f. of a Weston cell is accurately measured by

  1. electrostatic voltmeter
  2. hot wire voltmeter
  3. isothermal voltmeter
  4. electrodynamic voltmeter

28. For handling greater currents induction wattmeters are used in conjunction with

  1. potential transformers
  2. current transformers
  3. power transformers
  4. either of the above

29. For measurement of inductance having high value, we should use

  1. Maxwells bridge
  2. Maxwell Wein bridge
  3. Hays bridge
  4. Any of the above

30. For measurement of mutual inductance we can use

  1. Anderson bridge
  2. Maxwells bridge
  3. Heaviside bridge
  4. Any of the above
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Measurement and Instrumentation Question and Answer

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