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Objective Type Question or MCQ of Power System Protection page-1Objective Type Question or MCQ of Power System Protection page-2Objective Type Question or MCQ of Power System Protection page-3Objective Type Question or MCQ of Power System Protection page-4Objective Type Question or MCQ of Power System Protection page-5Objective Type Question or MCQ of Power System Protection page-6Objective Type Question or MCQ of Power System Protection page-7Objective Type Question or MCQ of Power System Protection page-8Objective Type Question or MCQ of B. Economics of Operation page-1Objective Type Question or MCQ of B. Economics of Operation page-2Objective Type Question or MCQ of B. Economics of Operation page-3Objective Type Question or MCQ of B. Economics of Operation page-4Objective Type Question or MCQ of B. Economics of Operation page-5Objective Type Question or MCQ of B. Economics of Operation page-6Multiple Choice Question (MCQ) of Circuit Breaker page-1Multiple Choice Question (MCQ) of Circuit Breaker page-2Multiple Choice Question (MCQ) of Circuit Breaker page-3Multiple Choice Question (MCQ) of FuseMultiple Choice Question (MCQ) of Protective Relays page-1Multiple Choice Question (MCQ) of Protective Relays page-2Multiple Choice Question (MCQ) of Protective Relays page-3Multiple Choice Question (MCQ) of Protective Relays page-4Multiple Choice Question (MCQ) of battery page-2Multiple Choice Question (MCQ) of battery page-3Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-1Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-2Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-3Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-5Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-6Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-7Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-8Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-9Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-10Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-11Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-12Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-13Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-14Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-16Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-17Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-18Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-19Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-20Multiple Choice Question (MCQ) of battery page-1Multiple Choice Question (MCQ) of Battery page-4Multiple Choice Question (MCQ) of Battery page-5Multiple Choice Question (MCQ) of Battery page-6Multiple Choice Question (MCQ) of Battery page-7Multiple Choice Question (MCQ) of Battery page-8Multiple Choice Question (MCQ) of Battery page-9Multiple Choice Question (MCQ) of Battery page-10Multiple Choice Question (MCQ) of Battery page-11Multiple Choice Question (MCQ) of Battery page-12Multiple Choice Question (MCQ) of Battery page-13Multiple Choice Question (MCQ) of battery page-14Multiple Choice Question (MCQ) of Battery page-15Multiple Choice Question (MCQ) of Battery page-16Multiple Choice Question (MCQ) of Battery page-17Multiple Choice Question (MCQ) of Battery page-18Multiple Choice Question (MCQ) of Battery page-19Multiple Choice Question (MCQ) of Illumination page-1Multiple Choice Question (MCQ) of Illumination page-2Multiple Choice Question (MCQ) of Illumination page-3Multiple Choice Question (MCQ) of Illumination page-4Multiple Choice Question (MCQ) of Illumination page-5Multiple Choice Question (MCQ) of Illumination page-6Multiple Choice Question (MCQ) of Illumination page-7Multiple Choice Question (MCQ) of Illumination page-8Multiple Choice Question (MCQ) of Illumination page-9Multiple Choice Question (MCQ) of Illumination page-10Multiple Choice Question (MCQ) of Illumination page-11Multiple Choice Question (MCQ) of Illumination page-12Multiple Choice Question (MCQ) of Illumination page-13Objective Questions & Answers of Circuit Breaker page - 1Objective Questions & Answers of Circuit Breaker page-2Objective Questions & Answers of Circuit Breaker page-3Objective Questions & Answers of Circuit Breaker page-4Objective Questions & Answers of Circuit Breaker page-5Objective Questions & Answers of Circuit Breaker page-6Objective Questions & Answers of Circuit Breaker page-7Objective Questions & Answers of Circuit Breaker page-8Objective Questions & Answers of Circuit Breaker page-9Objective Questions & Answers of Circuit Breaker page-10Objective Questions & Answers of Circuit Breaker page-11Objective Questions & Answers of Circuit Breaker page-12Objective Questions & Answers of Circuit Breaker page-13Multiple Choice Question (MCQ) of Materials page-1Multiple Choice Question (MCQ) of Materials page-2Multiple Choice Question (MCQ) of Materials page-3Multiple Choice Question (MCQ) of Materials page-4Multiple Choice Question (MCQ) of Materials page-5Multiple Choice Question (MCQ) of Materials page-6Multiple Choice Question (MCQ) of Materials page-7Multiple Choice Question (MCQ) of Materials page-8Multiple Choice Question (MCQ) of Materials page-9Multiple Choice Question (MCQ) of Materials page-10Multiple Choice Question (MCQ) of Materials page-11Multiple Choice Question (MCQ) of Materials page-12Multiple Choice Question (MCQ) of Materials page-13Multiple Choice Question (MCQ) of Materials page-14Multiple Choice Question (MCQ) of Materials page-15Multiple Choice Question (MCQ) of Materials page-16Multiple Choice Question (MCQ) of Materials page-17Multiple Choice Question (MCQ) of Materials page-18Multiple Choice Question (MCQ) of Materials page-19Multiple Choice Question (MCQ) of Materials page-20Multiple Choice Question (MCQ) of Materials page-21Multiple Choice Question (MCQ) of Materials page-22Multiple Choice Question (MCQ) of Materials page-23Multiple Choice Question (MCQ) of Materials page-24Multiple Choice Question (MCQ) of Materials page-25Multiple Choice Question (MCQ) of Materials page-26Multiple Choice Question (MCQ) of Materials page-27Multiple Choice Question (MCQ) of Materials page-28Multiple Choice Question (MCQ) of Materials page-29Multiple Choice Question (MCQ) of Materials page-30Multiple Choice Question (MCQ) of Materials page-31Multiple Choice Question (MCQ) of Materials page-32Multiple Choice Question (MCQ) of Materials page-33Multiple Choice Question (MCQ) of Materials page-34Multiple Choice Question (MCQ) of Materials page-35

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-DistributionMCQ-of-Electrical-MachinesMCQ-of-Alternator-and-Synchronous-MotorsMCQ-Electric-Power

Multiple Choice Question (MCQ) of Protective Relays page-1


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1.A single phasing relay can be used with

a) 1ɸ motor
b) 2r ɸ motor
c) 3 ɸ motor
d) All of these

Ans: (c)

2. A relay is used to

a) Break the fault current
b) Sense the fault
c) Sense the fault and direct to trip the circuit breaker
d) All of these

Ans: (c)

3. In impedance relay, current element torque should be

a) Equal to voltage element torque
b) Greater than voltage element torque
c) Less than voltage element torque
d) None of these

Ans: (a)

4. Over current fault is most likely in

a) Transformer
b) Overhead line equipment
c) Alternator
d) Motors

Ans: (b)

5. Plug setting of a relay can be changed by changing

a) Air gap
b) Back up stop
c) Number of ampere turns
d) All of these

Ans: (c)

6. Distance relays are generally

a) Impedance type
b) MHO type
c) Reactance type
d) All of these

Ans: (b)

7. Buchholz relay is used to protect against

a) Inter-turn fault
b) External faults
c) Rotor faults
d) Every internal faults

Ans: (d)

8. Instantaneous relay should operate within

a) 0.0001 sec
b) 0.001 sec
c) 0.01 sec
d) 0.1 sec

Ans: (c)

9. MHO relay is inherently a

a) Directional type
b) Non-directional type
c) Unidirectional type
d) None of these

Ans: (a)

10. Basic relay connection requirement is that the relay must operate for

a) Load
b) Internal faults
c) Both (a) and (b)
d) None of these

Ans: (b)


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