Rectifiers and Converters MCQ Test

  1. ............... needs direct current.
  2. Which kind of devices cannot convey from dc to ac?
  3. A rotary converter combines the function of
  4. What is approximately the efficiency of electrolytic rectifier?
  5. ............ mercury arc rectifier will deliver least undulating current.
  6. A commutating rectifier consists of commutator driven by ...............
  7. The anode is usually made of ................ in a mercury arc rectifier.
  8. Which kind of metals are generally manufactured by electrolysis process?
  9. ............. is usually used in large motor-generator sets.
  10. The positive ions are attracted towards ........... in a mercury arc rectifier.
  11. The ignited or auxiliary anode in mercury arc rectifier is made of Boron carbide.
  12. A rotary converter operates at a
  13. Mercury is used as ............... in mercury arc rectifier.
  14. What is the average life of the glass bulb rectifier?
Rectifiers and Converters MCQ

Take Rectifiers and Converters MCQ Test & Online Quiz to test your Knowledge

Below is the Rectifiers and Converters MCQ test that checks your basic knowledge of Rectifiers and Converters. This Rectifiers and Converters MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Rectifiers and Converters Quiz Button.

  • Relays
  • Telephones
  • Time switches
  • All of the above
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  • Motor converter
  • Motor generator
  • Mercury arc rectifier
  • None of the above
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  • An induction motor and a D.C. generator
  • A synchronous motor and a D.C. generator
  • Both A & B
  • None of the above
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  • An induction motor
  • A synchronous motor
  • A D.C. shunt motor
  • A D.C. series motor
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  • Synchronous motor
  • Slip ring induction motor
  • Squirrel cage induction motor
  • None of the above
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  • zero power factor
  • low power factor
  • high power factor
  • None of the above
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  • A cathode
  • Ionization medium
  • Conducting medium
  • Electron accelerator
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  • 100 to 150 hours
  • 1000 to 1500 hours
  • 10,000 to 15,000 hours
  • None of the above
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  • Gas tube diode
  • Copper oxide rectifier
  • Selenium disc rectifier
  • None of the above
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  • It is a passive device
  • It is a linear device
  • It is a bilateral device
  • It is a non-linear device
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  • Copper oxide rectifier is a linear device
  • Copper oxide rectifier has a low efficiency
  • Copper oxide rectifier is not a perfect rectifier
  • Copper oxide rectifier finds use in control circuits
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  • Selenium rectifiers
  • Mercury arc rectifiers
  • Mechanical rectifiers
  • Copper oxide rectifiers
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  • Arc Length
  • Purity of Mercury
  • Arc Temperature
  • None of the above
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