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Power Systems

Power Systems
Galvanised steel is generally used as

 earth wire.
All of these
 structural components.
 stray wire.

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Power Systems
A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is

 0.707 leading
 0.5
 0 leading
 unity

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Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

 load factor of the steam plant is increased
 the operating cost of the steam plant become optimum
 chances of the tripping of the system decrease
All of these

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Power Systems
Condition for maximum voltage regulation

 cosφ = R/X
 tanφ = R/X
 cosφ = X/R
 tanφ = X/R

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Power Systems
The receiving end voltage for a long line under no load condition is

 less than the sending end voltage
 more than the sending end voltage
 equal to the sending end voltage
 any of the above

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Power Systems
A gas turbine power plant is best suited for

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

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