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Power Systems

Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 5
 3
 6
 4

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Power Systems
Operator "a" rotates a vector

 clock wise direction
 either 1 or 2
 anti clock wise direction
 nether 1 nor 2

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Power Systems
Which of the following method is used for changing power factor from leading to lagging

 shunt reactor
 series capacitor
 shunt capacitor
 any of the above

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Power Systems
In triangular configuration, inductance and capacitance values are ------ and ------ respectively

 higher, less
 less, higher
 less, less
 higher, higher

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Power Systems
On a power system network the load is increasing represents the value of impedance

  decrease.
  none of above.
  remains constant.
  increase.

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Power Systems
In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using

 LP steam.
 direct heat in the furnace.
 HP steam.
  flue gas.

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