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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

Objective Type Question or MCQ of Power Generation page-7

61. Which of the following has highest capital cost?

a) Thermal plant
b) Hydro plant
c) Diesel plant
d) Nuclear plant

Ans: (d)

62. Transfer of power between two power systems take place with power flowing from the system with the

a) Leading power factor
b) Lagging power factor
c) Higher voltage level
d) None of these

Ans: (a)

63. For conventional power plants, running cost is minimum for

a) Thermal plant
b) Nuclear plant
c) Hydro plant
d) Diesel plant

Ans: (c)

64. Load division between two parallel operating alternators are affected by

a) Change in input to prime mover
b) Increasing the system frequency
c) Change in generated voltage
d) More lagging power angle

Ans: (a)

65. Disadvantage of flat rate tariff is that it is difficult to

a) Arrive at a load factor and diversity factor to decide the tariff
b) Estimate the cost of generation
c) Control the desired power factor
d) All of these

Ans: (a)

66. If fuel input increases, the load on thermal unit

a) Decreases
b) Increases
c) Remain same
d) Bears no relation

Ans: (b)

67. Difference between load factor and capacity factor is the indication of

a) Hot reserve
b) Cold reserve
c) Reserve capacity
d) Spinning reserve

Ans: (c)

68.Time error for system operating at less than 50 Hz is

a) Slow
b) Fast
c) Zero
d) None of these

Ans: (a)

69. If load on the isolated generator is decreased without decreasing the power input to the prime mover speed of the generator

a) Remain unaltered
b) Decrease
c) Increase
d) Uncertain

Ans: (c)

70. In interconnected systems, each system

a) Should be seeded with frequency changes
b) Should depend on other for reserve capacity
c) Can provide its own reserve capacity
d) Should operate with flat frequency changes

Ans: (c)

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