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Power Systems

Power Systems
Based on the discharge, Kaplan turbine will discharge

 1000 lpm
 >10000 lpm

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Power Systems
Operator "a" rotates a vector

 clock wise direction
 anti clock wise direction
 either 1 or 2
 nether 1 nor 2

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Power Systems
Skin effect depends on

All of these
 relative permeability
 conductivity
 frequency

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Power Systems
A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is

 12 MW
 5 MW
 10 MW
 6 MW

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Power Systems
The main objectives of power system is/are

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

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Power Systems
Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency?

 86%%
 75%
 90%
 50%

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