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Power Systems

Power Systems
More efficient plants are used as

 both 1 and 2
None of these
 base load plant
 peak load plant

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Power Systems
A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is

 4
 10
 8
 20

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° â„§. Find the shunt reactor required for compensating ferranti effect?

 2000 Ω
 500 Ω
 1500 Ω
 3000 Ω

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Power Systems
In a three-phase system, when the loads are perfectly balanced, the neutral current is

  zero.
  two - thirds of maximum.
  one - third of minimum.
  one - third of maximum.

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Power Systems
Tarapur nuclear power plant has which type of reactor?

 Pressurized water reactors.
 CANDU type reactors.
 Boiling water type.
 None of these.

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Power Systems
Proximity effect is more in case of

 power cables
 same in both cases
 over head lines
None of these

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