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Power Systems

Power Systems
Peak load power plants is/are

 pumped storage plant
 both 1 and 2
 diesel plant
 nuclear plants

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Power Systems
The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power?

 5 pu
 5.353 pu
 7 pu
 3.535 pu

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Power Systems
If the diameter of the conductor is increased

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

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

 Chandrapur.
 Kota.
 Neyveli.
 Sarni.

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Power Systems
Equal area criteria is used for

 nether 1 nor 2
 either 1 or 2
 relative stability of the system
 absolute stability of the system

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Power Systems
Which of the following is a reaction turbines

  Pelton turbine and Francis turbine.
  None of these.
  Kaplan and Pelton turbine.
  Francis turbine and Kaplan turbine.

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