Power Systems
A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation?

 0.8 lag and 0.8 lead
 0.8 lag and 0.6 lead
 0.6 lag and 0.6 lead
 0.6 lag and 0.8 lead

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Power Systems
A thermal power station needs space

 less than that required by the diesel power station of same output.
 less than that required by a gas turbine power plant of same output.
  less than that required by hydro-power station of same capacity.
 less than that required by atomic power station of the same output.

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