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Power Systems

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

 Neyveli.
 Kota.
 Sarni.
 Chandrapur.

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Power Systems
In thermal plant most of the energy is wasted in

 condenser
 turbines
 boiler
 ESP

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Power Systems
Skin effective is more in case of

 same in both cases
 communication lines
 power lines
None of these

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Power Systems
A thermal protection relay provides protection against what?

 Temperature
 Over load
 any of the above
 Short circuit

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Power Systems
Which of following is a medium and low head turbines

  Pelton and Kaplan turbines.
  None of above.
  Kaplan and Francis turbines.
  Francis and Kaplan turbines.

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Power Systems
A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is

 0.725∠ 80°
 0.371∠ -100°
 0.433∠ 80°
 0.325∠ -100°

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