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Power Systems

Power Systems
Galvanised steel is generally used as

All of these
 stray wire.
 earth wire.
 structural components.

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Power Systems
Stock bridge dampers are used to

 reduce the tension
All of these
 reduce the vibrations at the point of support
 increase the sag

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Power Systems
More efficient plants are used as

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

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Power Systems
A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ?

 35.5°
 10.5°
 14.5°
 29°

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 163 × 163
 165 × 165
 164 × 164
 162 × 162

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Power Systems
The steam power plant efficiency can be improved by

 burning large amount of coal.
 using large quantity of water.
  using high temperature and high pressure steam.
 decreasing the load on the plant.

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