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Power Systems

Power Systems
If the load is short circuited, then reflection coefficient of voltage is

 -2
 0
 1
 -1

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Power Systems
Which of the following methods is/are used for reactive or voltage compensation

 series capacitor
 shunt capacitor
All of these
 generation excitation control

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Power Systems
In which of the following given faults, all the sequence currents are equal?

 LLG
 LG
 LL
 LLL

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Power Systems
Which of the following statements is/are true? Due to corona,

 interference increases
 power loss increases
All of these
 charging current increases

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Power Systems
Pumped storage plant is a

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

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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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