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Power Systems

Power Systems
A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand?

 1.5 cm
 15 cm
 5 cm
 1 cm

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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 the no load receiving end voltage?

 500 kV
 400 kV
 320 kv
 600 kV

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Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 any of the above
 shunt capacitor
 medium transmission line
 long transmission line

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Power Systems
A gas turbine power plant is best suited for

 Peak load.
 Base load.
 Emergency.
 None of these.

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Power Systems
The function of moderator in a nuclear reactor is

 to increase the energy of the neutrons.
  to slow down the neutrons.
 to absorb the excess.
All of these

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Power Systems
If we increase the length of the transmission line, the charging current

 decreases
 remains unaffected
 increases
None of these

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