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Power Systems

Power Systems
India’s largest thermal power station is located at

 Sarni.
 Neyveli.
 Kota.
 Chandrapur.

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Power Systems
If the diameter of the conductor is increased

 no change in inductance and resistance
 the resistance is increased
 the inductance is decreased
 the inductance is increased

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Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

 load factor of the steam plant is increased
All of these
 chances of the tripping of the system decrease
 the operating cost of the steam plant become optimum

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Power Systems
A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt?

 1.47 msec
 4.68 msec
 2.63 msec
 9.68 msec

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Power Systems
The rating of CB is in terms of

  current.
  VAR.
  voltage.
  volt - ampere.

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Power Systems
In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is

  3.000 pu.
 0.125 pu.
 0.075 pu.
 0.200 pu.

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