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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-generators

Multiple Choice Question (MCQ) of Power Systems page-16

171. The capital cost of the thermal power plant will depend on

a) The size of the plant
b) The fuel cost
c) (a) and (b) both
d) None of the above

Ans: (a)

172. The fixed tariff consists of the interest on the capital cost, depreciation, insurance and other taxes.

a) True
b) False

Ans: (a)

173. The running cost of the plant comprises cost of fuel, consumable materials and operation and maintenance cost.

a) True
b) False

Ans: (a)

174. Which of the following plant has highest capital cost?

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

Ans: (d)

175. The running cost, among conventional power plant, is minimum for hydro-plant.

a) True
b) False

Ans: (a)

176. The hydro-power plant operates at higher load factor than thermal power plant.

a) True
b) False

Ans: (a)

177. Which of the following frequency range is suitable for A.C. network analyser?

a) 400 Hz to 500 Hz
b) 50 Hz to 100 Hz
c) 40 Hz to 50 Hz
d) dc to 50 Hz

Ans: (a)

178. The distance relay basically measures

a) current
b) voltage
c) impedance
d) either of the above

Ans: (c)

179. The relay with inverse time characteristic will operate within

a) 2 secs
b) 5 to 10 secs
c) 5 to 20 secs
d) 20 to 30 secs

Ans: (b)

180. The disruptive critical voltage will

a) Increase if the moisture content in the air increases
b) Decreases if the moisture content in the air decreases
c) Decrease if the moisture content in the air increases
d) Decrease if the moisture content in the air increases

Ans: (c)

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