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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-DistributionMCQ-of-Electrical-MachinesMCQ-of-Alternator-and-Synchronous-Motors

Multiple Choice Question (MCQ) of Electric Power page-7


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61. Advantage of hydroelectric power plant is

A) no fuel transportation problems
B) free from pollution problems
C) low operating cost
D) all of the above.

Ans : (D)

62. The performance of engines of different HP, RPM, and sizes can be compared on the basis of

A) compression ratio
B) specific fuel consumption
C) cylinder voltage
D) clearance voltage.

Ans : (B)

63. Which auxiliary of gas turbine consumes most of the power?

A) Fuel pump
B) Combustion chamber
C) Compressor
D) Burner.

Ans : (C)

64. Compressor used in gas turbines is

A) screw compressor
B) multistage axial flow compressor
C) plunger type compressor
D) reciprocating compressor.

Ans : (B)

65. Maximum efficiency of an open cycle gas turbine is nearly

A) 60 %
B) 50 %
C) 40 %
D) 30 %.

Ans : (D)

66. The firing order of a four cylinder energy is

A) 1 - 3 - 2 - 4
B) 1- 2 - 3 - 4
C) 1 - 4 - 2 - 3
D) 1 - 2 - 4 - 3.

Ans : (D)

67. The compression ratio in case of diesel engines is

A) 14 to 22
B) 7 to 10
C) 5 to 7
D) 25 to 36.

Ans : (A)

68. A Diesel energy consumes Diesel oil nearly at the rate of

A) 1 kg/BHP hr
B) 600 to 750 gm/BHP hr
C) 400 to 450 gm/BHP hr
D) 180 to 200 gm/BHP hr.

Ans : (D)

69. The horsepower of a Diesel locomotive is of the order of

A) 100 to 200
B) 500 to 1000
C) 2000 to 2500
D) 10,000 to 12,000.

Ans : (C)

70. Which of the following material can be used as a moderator?

A) Beryllium
B) Heavy water
C) Graphite
D) Any of the above.

Ans : (D)


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