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Power Systems

Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 4
 3
 6
 5

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Power Systems
The power output from an hydroelectric plants depend on

 type of turbine, type of dam and type of catchment area.
 type of dam, head, system efficiency.
 type of dam, type of catchment area and discharge.
  discharge, system efficiency.

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Power Systems
Operating time of pumped storage plant is

 very high
 can't say
 low
 high

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Power Systems
Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer?

 star-delta
 delta-star
 delta-delta
 star-star

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Power Systems
Which of the following rotor is used in thermal power plants?

 salient pole rotor
 squirrel cage rotor
 either of these
 cylindrical rotor

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Power Systems
If the diameter of the conductor is increased

 the inductance is increased
 the resistance is increased
 the inductance is decreased
 no change in inductance and resistance

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