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Power Systems

Power Systems
Reflector of a nuclear reactor are made up of

 steel.
 cast iron.
  boron.
  beryllium.

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Power Systems
Operating time of pumped storage plant is

 high
 low
 can't say
 very high

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Power Systems
A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is

 33.33%
 75%
 66.66%
 25%

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Power Systems
One atomic mass unit is equivalent to

  931.4 MeV.
 180.5 MeV.
 120.4 MeV.
 251.2 MeV.

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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?

 600 kV
 320 kv
 500 kV
 400 kV

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Power Systems
For symmetrical network, the neutral current is

 zero
 maximum
 any of the above
 infinity

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