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Power Systems

Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 1
 10
 100
 5

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Power Systems
In nuclear chain fission reaction each neutron causing fission produces

 no new neutron.
  at least one new neutron.
 less than one new neutron.
 one new neutron.

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Power Systems
Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is

 400 MW
 800 MW
 200 MW
 1600 MW

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Power Systems
A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is

 5200 MVA.
 5500 MVA.
  5100 MVA.
  5000 MVA.

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Power Systems
In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?

 5
 2
 8
 4

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Power Systems
Pipes carrying steam are generally of

 aluminium.
 cast iron.
  steel.
 cobalt.

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