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Power Systems

Power Systems
India 1st nuclear plant was set up at

  Tarapur.
  Kalpakkam.
  Rana pratap sagar.
  Bhaba.

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Power Systems
When reactance grounding is used in network, the voltage between neutral and ground is

 both 1 and 3
 3×IR0 × Xn
 IR0 × Xn
 IN × Xn

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Power Systems
A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

 553×553
 555×555
 554×554
 540×540

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Power Systems
In a nuclear reactor, chain reactor is controlled by introducing

 brass rods.
 iron rods.
 graphite rods.
  cadmium rods.

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Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

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

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Power Systems
The most suitable circuit breaker for short line fault without switching resistor is

 none of these.
 air blast circuit breaker.
  SF6 breaker.
 oil circuit breaker.

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