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Power Systems

Power Systems
The term self GMD is used to calculate

 both 1 and 2
 capacitance
 inductance
 resistance

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Power Systems
Maximum power transfer capability of transmission line can be increased by

 Using bundled conductors
 Parallel transmission lines
 Using series capacitance
All of these

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Power Systems
Merze price current scheme protection is used in

  alternator.
  both A and B.
  bus bars.
  transformer.

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Power Systems
A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage?

 -18.18 kV
 -81.82 kV
 81.82 kV
 18.18 kV

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Power Systems
Which of following power plants normally operage at high speeds

 Diesel engine.
  Thermal.
 Petrol engine.
 Hydro electric.

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Power Systems
The total number of strands in a ACSR conductor are 7, then find the layer number?

 3
 7
 5
 2

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