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Power Systems

Power Systems
India’s largest thermal power station is located at

 Sarni.
 Kota.
 Chandrapur.
 Neyveli.

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Power Systems
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is

  8.06 Ω / phase.
 6.06 Ω / phase.
 2.26 Ω / phase.
 4.65 Ω / phase.

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Power Systems
If we increase the spacing between the phase conductors, the line capacitance

 decreases
 increases
 remains unaffected
None of these

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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

 38.6
 23.9
 31.7
 35.45

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Power Systems
A diesel power plant is generally used as a/an

 Peak loads.
 Any of above.
 Standby/emergency plant.
 Base load.

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Power Systems
In a transmission line the insulators to be used at the dead end or sharp curves are

 suspension type
 pin type insulator
 any of the above
 strain type

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