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Power Systems

Power Systems
A CT is connected in ___________________ with the line.

  not connected.
  series.
  both A and B.
  across.

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Power Systems
Which of the following statements are true?

 both 1 and 2
 nether 1 nor 2
 Bus impedance matrix is a full matrix
 Bus admittance matrix is a sparse matrix

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Power Systems
For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is

 Kaplan
 Pelton
 Francis
 Impeller

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Power Systems
In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%.

 20 kV
 48.36 kV
 83.76 kV
 52.84 kV

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Power Systems
Graphite is use din nuclear plant as a / an

  moderator.
 electrode.
 coolant.
 fuel.

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Power Systems
What are the tests performed for oil-filled and gas-filled cables ?

  All of these.
 Load cycle tests.
 Impulse tests.
 Thermal stability test.

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