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Power Systems

Power Systems
Specified quantities of slack bus are

 P and δ
 V and δ
 P and Q
 P and V

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Power Systems
When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding?

  Solid.
  Resistance.
  Peterson coil.
  Reactance.

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Power Systems
Cheapest plant in operation and maintenance is

  nuclear.
  diesel power.
  steam power.
  hydroelectric.

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Power Systems
Range of accelerating factor is

 10.8 to 11.2
 50 to 100
 1 to 10
 1.6 to 1.8

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Power Systems
Condition for maximum voltage regulation

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

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Power Systems
Ships are usually supplied power by

 None of above.
 Hydraulic turbine.
 Steam accumulator.
  Diesel engine.

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