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Power Systems

Power Systems
How much KWh energy is produced by fission of 1 gm of uranium U235

 2400 kWh.
  24 kWh.
  24000 kWh.
 240 kWh.

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Power Systems
The unit protection scheme provides

 back up protection.
 simultaneous protection.
 remote protection.
  primary protection.

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Power Systems
In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is

 45.0 MVAr.
  40.5 MVAr.
 61.73 MVAr.
 55.56 MVAr.

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Power Systems
Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively?

 1 and 3 pu
 2 and 2 pu
 3 and 1 pu
 2 and 5 pu

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

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

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Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

 none of these.
 10 sec.
 20 sec.
  5 sec.

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