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Power Systems

Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.75
 0.25
 0.5
 0.4

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Power Systems
Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is

 500 MVA
 125 MVA
 400 MVA
 100 MVA

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

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

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Power Systems
Power transmission lines are transposed to reduce

 proximity effect
 skin effect
 ferranti effect
 radio interference

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Power Systems
Tidal power plant is a example of which of the following plant?

None of these
 either 1 or 2
 peak load plant
 base load plant

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Power Systems
Direct conversion of heat energy into electrical energy is possible through

 MHD generator.
 Fuel or solar cell.
 Thermal converters.
 Both A and C.

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