Measurement and Instrumentation MCQ Questions and Answers Quiz

101. Which of the following devices may be used for extending the range of instruments ?

  1. Shunts
  2. Multipliers
  3. Current transformers
  4. All of the above

102. Which of the following devices should be used for accurate measurement of low D.C. voltage ?

  1. Small range moving coil voltmeter
  2. D.C. potentiometer
  3. Small range thermocouple voltmeter
  4. None of the above

103. Which of the following essential features is possessed by an indicating instrument ?

  1. Deflecting device
  2. Controlling device
  3. Damping device
  4. All of the above

104. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?

  1. Absolute instruments
  2. Indicating instruments
  3. Recording instruments
  4. Integrating instruments

105. Which of the following is an essential part of a motor meter ?

  1. An operating torque system
  2. A braking device
  3. Revolution registering device
  4. All of the above

106. Which of the following is measured by using a vector voltmeter ?

  1. Amplifier gain and phase shift
  2. Filler transfer functions
  3. Complex insersion loss
  4. All of the above

107. Which of the following meters are not used on D.C. circuits

  1. Mercury motor meters
  2. Commutator motor meters
  3. Induction meters
  4. None of the above

108. Which of the following properties a damping oil must possess ?

  1. Must be a good insulator
  2. Should be non-evaporating
  3. Should not have corrosive action upon the metal of the vane
  4. All of the above
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