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Power Systems

Power Systems
Fault calculations using computer are usually done by

 Z bus method
 either 1 or 2
 Y bus method
None of these

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

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

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Power Systems
Equal area criterion gives the information regarding

 swing curves
 relative stability
 stability region
 absolute stability

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Power Systems
Thermal shielding is provided to

All of these
 absorb the fast neutron.
 protected the operating personal from exposure to radiations.
 prevent the reactor wall from getting heated.

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Power Systems
A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant?

 20 MW
 15 MW
 5 MW
 10 MW

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Power Systems
String efficiency depends upon

 no. of SCR in the string.
 voltage rating of one SCR.
  all of these.
 voltage rating of whole string.

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