Related Topics

‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-20‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-19‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-18‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-17‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-16‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-14‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-13‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-12‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-11‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-10‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-9‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-8‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-7‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-6‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-5‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-3‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-2‣  Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-1‣  Objective questions and answers or MCQ of Electrical Machines page-22‣  Objective questions and answers or MCQ of Electrical Machines page-21‣  Objective questions and answers or MCQ of Electrical Machines page-20‣  Objective questions and answers or MCQ of Electrical Machines page-19‣  Objective questions and answers or MCQ of Electrical Machines page-18‣  Objective questions and answers or MCQ of Electrical Machines page-17‣  Objective questions and answers or MCQ of Electrical Machines page-16‣  Objective questions and answers or MCQ of Electrical Machines page-15‣  Objective questions and answers or MCQ of Electrical Machines page-14‣  Objective questions and answers or MCQ of Electrical Machines page-13‣  Objective questions and answers or MCQ of Electrical Machines page-12‣  Objective questions and answers or MCQ of Electrical Machines page-11‣  Objective questions and answers or MCQ of Electrical Machines page-10‣  Objective questions and answers or MCQ of Electrical Machines page-9‣  Objective questions and answers or MCQ of Electrical Machines page-8‣  Objective questions and answers or MCQ of Electrical Machines page-7‣  Objective questions and answers or MCQ of Electrical Machines page-6‣  Multiple Choice Question (MCQ) of Protective Relays page-4‣  Multiple Choice Question (MCQ) of Protective Relays page-3‣  Multiple Choice Question (MCQ) of Protective Relays page-2‣  Multiple Choice Question (MCQ) of Protective Relays page-1‣  Multiple Choice Question (MCQ) of Fuse‣  Multiple Choice Question (MCQ) of Circuit Breaker page-3‣  Multiple Choice Question (MCQ) of Circuit Breaker page-2‣  Multiple Choice Question (MCQ) of Circuit Breaker page-1‣  Objective Type Question or MCQ of B. Economics of Operation page-6‣  Objective Type Question or MCQ of B. Economics of Operation page-5‣  Objective Type Question or MCQ of B. Economics of Operation page-4‣  Objective Type Question or MCQ of B. Economics of Operation page-3‣  Objective Type Question or MCQ of B. Economics of Operation page-2‣  Objective Type Question or MCQ of B. Economics of Operation page-1‣  Objective Type Question or MCQ of Power System Protection page-8‣  Objective Type Question or MCQ of Power System Protection page-7‣  Objective Type Question or MCQ of Power System Protection page-6‣  Objective Type Question or MCQ of Power System Protection page-5‣  Objective Type Question or MCQ of Power System Protection page-4‣  Objective Type Question or MCQ of Power System Protection page-3‣  Objective Type Question or MCQ of Power System Protection page-2‣  Objective Type Question or MCQ of Power System Protection page-1‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-11‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-10‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-9‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-8‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-7‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-6‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-5‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-4‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-3‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-2‣  Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-1

Index

SymbolsTransformerRelayPower-SystemBasic-electricalACSR-ConductorCircuit-BreakerInterview-questions-of-Basic-ElectricityInterview-questions-of-transformerInsulatorCurrent-TransformerMCQMCQ-powersystemThermal-power-stationInterview-questions-of-Power-SystemPower-ElectronicsInterview-questions-of-Underground-CableInterview-questions-of-IlluminationIlluminationMCQ-of-ElectronicsMCQ-of-Basic-ElectricalMCQ-of-Transformers MCQ-of-D.C-motor MCQ-of-D.C-generatorsMCQ-Control-SystemMCQ-Measurementsmcq-of-Generation-power-systemMCQ-of-Induction-MotorMCQ-of-Transmission-Distribution

Multiple Choice Question (MCQ) of Protective Relays page-2

11. An impedance relay is used for

a) Earth faults
b) Interphase faults
c) Both (a) and (b)
d) None of these

Ans: (c)

12. Relay gets its operating energy from

a) Transformer
b) Alternator
c) Overhead lines
d) C.T., P.T.

Ans: (d)

13. Good relay should possess

a) Speed & reliability
b) Aped & sensitivity
c) Adequateness & selectivity
d) All of these

Ans: (d)

14. Earthing transformer is used to

a) Improve neutral wire’s current capacity
b) Avoid overheating of transformer
c) Provide artificial earthing
d) Avoid harmonics

Ans: (c)

15. Percentage differential protection is used to prevent against

a) Inter-turn faults
b) Heavy Loads
c) External Faults
d) Magnetizing current

Ans: (d)

16. Back up protection is needed for

a) Over voltage
b) Short circuits
c) Over current
d) All of these

Ans: (b)

17. An instantaneous relay is

a) Permanent moving magnet
b) Induction cup
c) Shaded pole
d) Moving coil

Ans: (a)

18. Relays for transmission line protection are

a) In three zones
b) In two zones
c) Independent of zone
d) None of these

Ans: (a)

19. Induction cup relays responds to

a) Current
b) Power
c) Voltage
d) Impedance

Ans: (d)

20. Split-phase relay responds to

a) Over load faults
b) Over voltage
c) Inter turn faults
d) All of these

Ans: (c)

Related topics :

  1. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-20
  2. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-19
  3. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-18
  4. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-17
  5. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-16
  6. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15
  7. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-14
  8. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-13
  9. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-12
  10. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-11
  11. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-10
  12. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-9
  13. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-8
  14. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-7
  15. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-6
  16. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-5
  17. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4
  18. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-3
  19. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-2
  20. Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-1
  21. Objective questions and answers or MCQ of Electrical Machines page-22
  22. Objective questions and answers or MCQ of Electrical Machines page-21
  23. Objective questions and answers or MCQ of Electrical Machines page-20
  24. Objective questions and answers or MCQ of Electrical Machines page-19
  25. Objective questions and answers or MCQ of Electrical Machines page-18
  26. Objective questions and answers or MCQ of Electrical Machines page-17
  27. Objective questions and answers or MCQ of Electrical Machines page-16
  28. Objective questions and answers or MCQ of Electrical Machines page-15
  29. Objective questions and answers or MCQ of Electrical Machines page-14
  30. Objective questions and answers or MCQ of Electrical Machines page-13
  31. Objective questions and answers or MCQ of Electrical Machines page-12
  32. Objective questions and answers or MCQ of Electrical Machines page-11
  33. Objective questions and answers or MCQ of Electrical Machines page-10
  34. Objective questions and answers or MCQ of Electrical Machines page-9
  35. Objective questions and answers or MCQ of Electrical Machines page-8
  36. Objective questions and answers or MCQ of Electrical Machines page-7
  37. Objective questions and answers or MCQ of Electrical Machines page-6
  38. Multiple Choice Question (MCQ) of Protective Relays page-4
  39. Multiple Choice Question (MCQ) of Protective Relays page-3
  40. Multiple Choice Question (MCQ) of Protective Relays page-2
  41. Multiple Choice Question (MCQ) of Protective Relays page-1
  42. Multiple Choice Question (MCQ) of Fuse
  43. Multiple Choice Question (MCQ) of Circuit Breaker page-3
  44. Multiple Choice Question (MCQ) of Circuit Breaker page-2
  45. Multiple Choice Question (MCQ) of Circuit Breaker page-1
  46. Objective Type Question or MCQ of B. Economics of Operation page-6
  47. Objective Type Question or MCQ of B. Economics of Operation page-5
  48. Objective Type Question or MCQ of B. Economics of Operation page-4
  49. Objective Type Question or MCQ of B. Economics of Operation page-3
  50. Objective Type Question or MCQ of B. Economics of Operation page-2
  51. Objective Type Question or MCQ of B. Economics of Operation page-1
  52. Objective Type Question or MCQ of Power System Protection page-8
  53. Objective Type Question or MCQ of Power System Protection page-7
  54. Objective Type Question or MCQ of Power System Protection page-6
  55. Objective Type Question or MCQ of Power System Protection page-5
  56. Objective Type Question or MCQ of Power System Protection page-4
  57. Objective Type Question or MCQ of Power System Protection page-3
  58. Objective Type Question or MCQ of Power System Protection page-2
  59. Objective Type Question or MCQ of Power System Protection page-1
  60. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-11
  61. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-10
  62. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-9
  63. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-8
  64. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-7
  65. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-6
  66. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-5
  67. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-4
  68. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-3
  69. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-2
  70. Multiple Choice Question (MCQ) of Alternator and Synchronous Motors page-1


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