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Power Systems

Power Systems
The term self GMD is used to calculate

 inductance
 resistance
 both 1 and 2
 capacitance

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Power Systems
A hydroelectric power station is commonly found in

  hilly areas.
 grasslands.
 desert areas.
 swamps.

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Power Systems
Where is the draft tube of a hydroelectric plant that is an airtight pipe located

 In between the runner exhaust and the tail race.
  In between the penstock and runner.
 Near the surge tank.
 At the beginning of the penstock.

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Power Systems
The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix?

 90
 9000
 10
 1000

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Power Systems
At slack bus, which one of the following combinations of variables is not specified?

 V and δ
 Q and V
 P and V
 P and Q

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

 1
 0
 -2
 -1

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