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Power Systems

Power Systems
A hydroelectric power station is commonly found in

 swamps.
  hilly areas.
 desert areas.
 grasslands.

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Power Systems
The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

 immersed in water pool.
  encased by thick concrete wall.
 encased thick metal wall.
 isolated from outside word with strong magnetic field.

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Power Systems
Maximum power capacity of a transmission line can be increased by

 nether 1 nor 2
 either 1 or 2
 decreasing reactance value
 increasing voltage level

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

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

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Power Systems
Main bus bar protection scheme is /are

  both fault bus and differential protection.
  differential protection.
  fault bus protection.
  none of these.

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Power Systems
Which of the following power planets is the least reliable

 Solar.
 Tidal.
  Wind.
 Geothermal.

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