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Power Systems

Power Systems
Corona loss is ----------------- on hilly areas than as plain areas.

None of these
 more
 less
 remain same

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Power Systems
Which of the following is/are base load plants?

 nuclear plants
All of these
 hydro plants
 thermal plants

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Power Systems
Peterson coil is used in case of transmission line for

 compensation of arcing grounds
 improve power factor
 increase the voltage level
 reduce ferranti effect

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Power Systems
Which of the following is/are the stator faults?

 Inter phase faults
All of these
 over current
 failure of excitation

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Power Systems
A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is

 1.182 mH
 1.232 mH
 1.093 mH
 1.043 mH

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Power Systems
Stability of a transmission line can be increased by

 shunt reactor
 both 1 and 2
 shunt capacitor
 series capacitor

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