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Power Systems

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

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

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Power Systems
A diesel power plant is generally used as a/an

 Any of above.
 Base load.
 Standby/emergency plant.
 Peak loads.

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Power Systems
The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by

 Zs = 0.2 pu, Zm =0.7 pu
 Zs = 0.5 pu, Zm =0.6 pu
 Zs = 0.7 pu, Zm =0.2 pu
 Zs = 0.6 pu, Zm =0.5 pu

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Power Systems
Alternate formation and breakage of bubbles are called

  water hamming.
  cavitations.
  surgfication.
All of these

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Power Systems
A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be

 1835 MW.
  2280 MW.
 3257 MW.
 2725 MW.

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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 incident current?

 200 A
 2500 A
 250 A
 100 A

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