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Power Systems

Power Systems
If the load is short circuited, then reflection coefficient of voltage is

 0
 -1
 -2
 1

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Power Systems
The main objectives of power system is/are

 Cost of electrical energy per KWh is to be minimum
 Reliable power has to be available
All of these
 Flexible power has to be available.

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Power Systems
For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to

 V2.
  1 / V2.
 1 / V.
 V.

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Power Systems
On which one of the following cycles does a modern steam power plant work?

 Bell-Coleman cycle
 Carnot cycle
 Rankine cycle
 Otto cycle

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Power Systems
A gas turbine power plant is best suited for

 Emergency.
 Peak load.
 Base load.
 None of these.

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Power Systems
The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds?

 855.26 Ω
 0.844 Ω
 265.25 Ω
 625.35 Ω

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