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Power Systems

Power Systems
The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base?

 0.1 pu
 0.4 pu
 0.2 pu
 0.25 pu

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Power Systems
Example of base load stations are

  both A and B.
  thermal.
  hydro.
  gas turbine.

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Power Systems
MCB stands for

  minimum capacity breaker.
  maximum capacity breaker.
  miniature circuit breaker.
  molded circuit breaker.

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 shoart transmission lines
 both 1 and 3
 long transmission lines
 medium transmission lines

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Power Systems
If sag in an overhead line increase, tension in the line

 remains same
None of these
 decrease
 increase

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Power Systems
Peterson coil is used in case of transmission line for

 reduce ferranti effect
 increase the voltage level
 improve power factor
 compensation of arcing grounds

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