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Power Systems

Power Systems
For 66 kV lines the number of insulator discs of each 11 kV used are

 3
 12
 6
 5

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Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 5d
 3d
 2d
 d

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Power Systems
Objectives of power system is/are

 Rated voltage and frequency has to be supplied to the consumers
 both 1 and 2
 Cost of electrical energy per KWh is to be minimum
 nether 1 nor 2

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Power Systems
Sparse matrix is matrix which contain

 more number of non zeros
 less number of memory elements
 more number of memory elements
 more number of zeros

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Power Systems
In a thermal power plant, which of its following components needs maximum maintenance attention

 Condenser.
 Super heater.
 Boiler.
 Steam turbine.

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Power Systems
Installation of capacitors at suitable locations and of optimum size in a distribution system results in

 reduction of KVA rating of distribution transformers
 reduction in distribution power loss
 improved voltage regulation
All of these

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