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Power Systems

Power Systems
Peak load power plants is/are

 diesel plant
 both 1 and 2
 pumped storage plant
 nuclear plants

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Power Systems
An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance?

 0.025 mH/Km
 0.05 mH/Km
 0.1 mH/Km
 0 mH/Km

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Power Systems
A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency?

 20 MW
 15 MW
 10 MW
 5 MW

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Power Systems
The function of moderator in a nuclear reactor is to

 reduce temperature.
  reduce the speed of neutrons.
 absorb neutrons.
  stop chain reaction.

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Power Systems
Which of the following relays are used in protection of medium transmission lines?

 any of the above
 Admittance relays
 Mho relays
 Impedance relays

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Power Systems
The conductor carries more current on surface as compared to core. This is called as

 skin effect
All of these
 corona effect
 unsymmetrical fault

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