Power Systems
One Kg of natural uranium gives energy equivalent to about

 1000 Kg of coal.
 5000 Kg of coal.
  10500 Kg of coal.
 100 Kg of coal.

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Power Systems
Which of following statement are false

 In nuclear power plants, chain reaction is controlled by cadmium rods.
  Nuclear power plants are used as peak load plants only.
 In a nuclear reactor, multiplication factor is kept almost equal to one.
 A thermal reactor needs a moderator material.

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Power Systems
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

 if the mutual couplings between transmission lines are absent
 always
 if the shunt admittances at the buses are ignored
 if both 2 and 3 are satisfied

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