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Power Systems

Power Systems
For flat voltage profile system, voltage regulation is

 50%
 0%
 any of the above
 100%

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Power Systems
Which of the following methods is/are used for reactive or voltage compensation

 shunt capacitor
 generation excitation control
All of these
 series capacitor

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Power Systems
In nuclear chain fission reaction each neutron causing fission produces

 no new neutron.
  at least one new neutron.
 one new neutron.
 less than one new neutron.

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Power Systems
A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of

 76%
 80%
 78%
 82%

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Power Systems
Skin effective is more in case of

 same in both cases
None of these
 communication lines
 power lines

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Power Systems
The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be

 0.0030
 0.30
 0.60
 0.0060

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