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Power Systems

Power Systems
Which of the following quantities are to be calculated for generator bus?

 Q and δ
 P and V
 P and Q
 δ and V

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° â„§. Find the no load receiving end voltage?

 320 kv
 600 kV
 400 kV
 500 kV

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Power Systems
The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

 isolated from outside word with strong magnetic field.
 immersed in water pool.
  encased by thick concrete wall.
 encased thick metal wall.

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Power Systems
Which cooling is preferred for large turbine generator

  Nitrogen cooling.
  Hydrogen cooling.
  None of these.
  Oxygen cooling.

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Power Systems
In triangular configuration, inductance and capacitance values are ------ and ------ respectively

 higher, less
 less, less
 higher, higher
 less, higher

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Power Systems
For which one of the following types of motors, is the equal area criterion for stability applicable?

 DC series motor
 DC shunt motor
 Three phase synchronous motor
 Three phase induction motor

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