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Power Systems

Power Systems
One fission of U235 releases energy of

 335 MeV.
 435 MeV.
 525 MeV.
  200 MeV.

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Power Systems
Which of the following is/are the effects of corona

 power loss decreases
 interference decreases
 charging current increases
All of these

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Power Systems
The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is

 0.5 pu
 2 pu
 4 pu
 0.2 pu

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

 Francis
 Impeller
 Pelton
 Kaplan

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Power Systems
A thermal protection switch is used to provide protection against

 short circuit.
 temperature.
  overload.
 over voltage.

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Power Systems
Where is the draft tube of a hydroelectric plant that is an airtight pipe located

 Near the surge tank.
 At the beginning of the penstock.
  In between the penstock and runner.
 In between the runner exhaust and the tail race.

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