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Power Systems

Power Systems
Normally Z bus matrix is a

 sparse matrix
 null matrix
 unit matrix
 full matrix

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

 ESP
 turbines
 condenser
 boiler

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Power Systems
In a transmission line the insulators to be used at the dead end or sharp curves are

 suspension type
 any of the above
 pin type insulator
 strain type

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Power Systems
For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant

  Kaplan.
 Francis.
 None of above.
 Pelton.

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Power Systems
The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called

  damping time.
  stopping time.
  settling time.
  coasting time.

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Power Systems
Power transmission lines are transposed to reduce

 ferranti effect
 radio interference
 skin effect
 proximity effect

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