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POWER SYSTEMS

Power Systems
A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is

 0 leading
 unity
 0.707 leading
 0.5

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Power Systems
Length of short transmission line is up to

 80 km
 40 km
 any of the above
 150 km

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Power Systems
Radio interference occur in telecommunication line due to

 electro static induction
 both 1 and 2
 nether 1 nor 2
 electro magnetic induction

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Power Systems
Fault calculations using computer are usually done by

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

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Power Systems
The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is

 number of iterations are less
All of these
 reduced memory requirements in storing the Jacobian elements
 accuracy is more

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