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Power Systems

Power Systems
For n bus power system size of Y bus matrix is

 (n-1)×(n-2)
 n×n
 (n-2)×(n-2)
 (n-1)×(n-1)

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Power Systems
A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

 12 MW
 10 MW
 6 MW
 5 MW

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Power Systems
Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no

 mutual coupling
 both 1 and 2
 shunt admittance
None of these

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is

 0.6
 0.5
 1
 0.75

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Power Systems
The amount of ash content in Indian coal

 20 %.
  60 %.
 35 %.
  45 %.

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Power Systems
The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

 isolated from outside word with strong magnetic field.
 immersed in water pool.
  encased by thick concrete wall.
 encased thick metal wall.

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