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Power Systems

Power Systems
More efficient plants are used as

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

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Power Systems
A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation?

 0.6 lag
 0.6 lead
 0.8 lag
 0.8 lead

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 1
 0.25
 0.75
 0.5

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 current
 reactive power
 voltage
 power factor

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Power Systems
Which of the following method is used for changing power factor from leading to lagging

 series capacitor
 shunt capacitor
 any of the above
 shunt reactor

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Power Systems
Specified quantities of load bus are

 P and Q
 P and δ
 V and δ
 Q and V

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