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Power Systems

Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 6
 5
 4
 3

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° â„§. Find Charging current under no load?

 0.512∠90° A/phase
 0.144∠90° A/phase
 1.144∠90° A/phase
 0.344∠90° A/phase

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Power Systems
Equal area criteria is used for

 absolute stability of the system
 either 1 or 2
 nether 1 nor 2
 relative stability of the system

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Power Systems
On which one of the following cycles does a modern steam power plat work

  Rankine cycle.
 Carnot cycle.
 Otto cycle.
 Bell - Coleman cycle.

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

  40.5 MVAr.
 61.73 MVAr.
 45 MVAr.
 55.56 MVAr.

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Power Systems
Reflector nuclear reactor are made of

 cast iron.
 boron.
  beryllium.
 steel.

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