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Power Systems

Power Systems
Based on the discharge, Kaplan turbine will discharge

 >10000 lpm
 1000 lpm

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Power Systems
Which power plant cannot have single unit of 100 MW capacity

  Diesel engine plant.
 Hydro electric power plant.
 Nuclear power plant.
 Steam power plant.

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Power Systems
When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding?

  Peterson coil.
  Solid.
  Resistance.
  Reactance.

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Power Systems
A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are

 150, 150
 100, 200
 200, 100
 175, 125

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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
Hydro-graph is similar to

 mass curve.
 energy load curve.
 both B and C.
  load curve.

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