Measurement and Instrumentation Quiz Question with Answer

41. Resistances can be measured with the help of

  1. wattmeters
  2. voltmeters
  3. ammeters
  4. ohmmeters and resistance bridges

42. Standard resistor is made from

  1. platinum
  2. maganin
  3. silver
  4. nichrome

43. Systematic errors are

  1. instrumental errors
  2. environmental errors
  3. observational errors
  4. all of the above

44. The adjustment of position of shading bands, in an energy meter is done to provide

  1. friction compensation
  2. creep compensation
  3. braking torque
  4. none of the above

45. The chemical effect of current is used in

  1. D.C. ammeter hour meter
  2. D.C. ammeter
  3. D.C. energy meter
  4. none of the above

46. The desirable static characteristics of a measuring system are

  1. accuracy and reproducibility
  2. accuracy, sensitivity and reproducibility
  3. drift and dead zone
  4. static error

47. The disc of an instrument using eddy current damping should be of

  1. conducting and magnetic material
  2. non-conducting and magnetic material
  3. conducting and non-magnetic material
  4. none of the above

48. The electrical power to a meggar is provided by

  1. battery
  2. permanent magnet D.C. generator
  3. AC.generator
  4. any of the above

49. The function of shunt in an ammeter is to

  1. by pass the current
  2. increase the sensitivity of the ammeter
  3. increase the resistance of ammeter
  4. none of the above

50. The gravity controlled instrument has crowded scale because current is proportional to

  1. balancing weight
  2. deflection angle
  3. sine of deflection angle

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