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Power Systems

Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 5
 10
 1
 100

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

 less
 remain same
 more
None of these

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Power Systems
Tarapur nuclear power plant has which type of reactor?

 CANDU type reactors.
 Pressurized water reactors.
 None of these.
 Boiling water type.

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Power Systems
A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is

 35.45
 31.7
 23.9
 38.6

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

 shunt capacitor
All of these
 generation excitation control
 series capacitor

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Power Systems
Which of following generating plants has the minimum operating cost

 Steam plant.
 Diesel plant.
 Hydroelectric plant.
 Nuclear plant.

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