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Power Systems

Power Systems
More efficient plants are used as

 both 1 and 2
 peak load plant
None of these
 base load plant

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Power Systems
An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is

 8
 6
 2
 5

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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
None of these
 both 1 and 2
 shunt admittance

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Power Systems
Uses of diesel power stations

All of these
 standby plants.
  peak load plant.
  emergency plants.

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Power Systems
If we increase the spacing between the phase conductors, the value of line inductance

 remains unaffected
 increase
None of these
 decrease

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Power Systems
In transmission lines distribution constants are

 resistance
 inductance and capacitance
 inductance and resistance
 both 1 and 2

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