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Power Systems

Power Systems
Proximity effect is more in case of

 power cables
None of these
 over head lines
 same in both cases

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Power Systems
NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at

 Durgapur.
 Katwa.
 Farakka.
 Bakreshwar.

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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

 both 1 and 2
None of these
 shunt admittance
 mutual coupling

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Power Systems
The insulation of the modern EHV lines is designed based on

 R × I.
 corona.
 the lighting voltage.
  the switch voltage.

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Power Systems
The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix?

 10
 1000
 9000
 90

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Power Systems
Radio interference occur in telecommunication line due to

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

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