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Power Systems

Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 6
 5
 4
 3

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Power Systems
The generating station suitable to operate as peak load plant is

 Power station.
 Nuclear power station.
 Thermal power station.
  Pumped storage.

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Power Systems
Ships are usually supplied power by

 Steam accumulator.
 Hydraulic turbine.
 None of above.
  Diesel engine.

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Power Systems
The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation

 (Z1 = Z2) > Z0
 any of the above
 Z1 = Z2 = Z0
 (Z1 = Z2) < Z0

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Power Systems
Pipes carrying steam are generally of

 cobalt.
  steel.
 aluminium.
 cast iron.

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Power Systems
Stock bridge dampers are used to

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

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