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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-19

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

Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4


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46. The transient currents are associated with the

a) Applied voltage to the circuit
b) Changes in the stored energy in the inductors and capacitors
c) Resistance of the circuit
d) Impedance of the circuit

Ans: (b)

47. The double energy transients occur in the

a) R-L circuit
b) R-C circuit
c) Pure inductive circuit
d) R-L-C circuit

Ans: (d)

48. A closed switch has a resistance of

a) Infinity
b) Zero
c) About 500 ohms
d) About 50 ohms at room temperature

Ans: (b)

49. The ionization current in the liquids and gases results from

a) Protons
b) Electrons
c) Neutrons
d) Positive or negative or negative ions

Ans: (d)

50. Two 500 ohms, 1 watt resistors are connected in parallel. Their combined resistance and wattage rating will be

a) 5000 ohms, 1 watt
b) 250 ohms, 2 watts
c) 1000 ohms, 2 watts
d) 500 ohms, 2 watts

Ans: (b)

51. A resistor is connected across a 45 volt battery to provides 13 mA of current. The required resistance with suitable wattage rating will be

a) 4.5 ohms, 1 watt
b) 45 ohms, 10 watts
c) 1000 ohms, 2 watts
d) 45,000 ohms, 1/3 watt

Ans: (d)

52. A 2.2 lead acid cell

a) Is a primary cell
b) Is a secondary cell
c) Has unlimited shelf life
d) Has a maximum current rating of about 150 mA

Ans: (b)

53. The formation of the hydrogen bubbles around the carbon electrode in a dry cell is

a) Local action caused by chemical impurities
b) Polarization caused by electrolysis
c) Depolarization caused by manganese dioxide
d) An advantage because it increases the voltage output

Ans: (b)

54. When a lead acid battery is charged

a) The battery voltage must be more than charging voltage
b) Connect the positive battery terminal to the negative on the charging current
c) The charging current must flow in same direction as the discharging current
d) Connect negative to negative and positive to positive

Ans: (d)

55. The Edison cell

a) Is a primary cell
b) Uses sulphuric acid electrolyte
c) Has 2.5 volts output
d) Has nickel and iron electrolyte

Ans: (d)

56. The cells are connected in series to

a) Increase the current output
b) Increase the voltage output
c) Decrease the internal resistance
d) Decrease the amount of charging voltage required

Ans: (b)

57. A 45-volt source with an internal resistance of 2 ohms is connected across a wire-wound resistor. The maximum power will be dissipated in the resistor when its resistance equals

a) Zero
b) Ohms
c) 45 ohms
d) Infinity

Ans: (b)

58. A magnet can pick up nail because of

a) Excess charge on the nail
b) Magnetic induction
c) Declination of magnetic field
d) Molecular magnets in the air around the nail

Ans: (b)

59. A magnetic compass point to the

a) Geographical poles
b) True north pole
c) Magnetic north pole
d) Agonic line of the earth filed

Ans: (c)

60. If the wire which is vertical to this page has electron flow downward the conductor will have

a) No magnetic field
b) A counter-clockwise field in the plane of the power
c) A clockwise field in the plane of the paper
d) A counter-clockwise field in the plane perpendicular to the paper

Ans: (b)


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