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MCQs

Total Questions : 374 | Page 8 of 38 pages
Question 71. A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt.
  1.    Flux meter
  2.    Voltmeter
  3.    Ammeter
  4.    Ballastic galvanometer
 Discuss Question
Answer: Option C. -> Ammeter
Question 72. Which of the following cannot be measured by multimeters?
  1.    Voltage
  2.    Frequency
  3.    Resistance
  4.    Current
 Discuss Question
Answer: Option B. -> Frequency
Question 73. An ammeter is a
  1.    Secondary instrument
  2.    Integrating instrument
  3.    Absolute instrument
  4.    Recording instrument
 Discuss Question
Answer: Option A. -> Secondary instrument
Question 74. A multirange instrument has
  1.    Multiple shunt or series resistance inside the meter
  2.    Multirange meters inside the measurement system
  3.    Variable turns of coil
  4.    Multicoil arrangement
 Discuss Question
Answer: Option A. -> Multiple shunt or series resistance inside the meter
Question 75. The household energymeter is
  1.    An indicating instrument
  2.    An integrating instrument
  3.    A recording instrument
  4.    None of the listed here
 Discuss Question
Answer: Option B. -> An integrating instrument
Question 76. Which of the following are integrating instruments?
  1.    Voltmeters
  2.    Ampere hour and watt hour meters
  3.    Wattmeters
  4.    Ammeters
 Discuss Question
Answer: Option B. -> Ampere hour and watt hour meters
Question 77. Induction type single phase energy meters measure electric energy in
  1.    Wh
  2.    kW
  3.    kWh
  4.    VAR
 Discuss Question
Answer: Option C. -> kWh
Question 78. The function of shunt in an ammeter is to
  1.    By pass the current
  2.    None of the listed here
  3.    Increase the sensitivity of the ammeter
  4.    Increase the resistance of ammeter
 Discuss Question
Answer: Option A. -> By pass the current
Question 79. The pointer of an indicating instrument should be
  1.    Very heavy
  2.    None of the listed here
  3.    Either light or heavy
  4.    Very light
 Discuss Question
Answer: Option D. -> Very light
Question 80. An induction meter can handle current upto
  1.    60 A
  2.    100 A
  3.    10 A
  4.    30 A
 Discuss Question
Answer: Option B. -> 100 A

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