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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 P and Q
 δ and Q
 V and δ
 P and V

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Power Systems
The main objectives of electrical power transmission is/are

 both 1 and 2
 Voltage regulation of the transmission line must be zero or minimum
 Transmission system must be more efficient with minimum line losses
 nether 1 nor 2

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Power Systems
The flow duration curve at a given head of a hydroelectric plant is used to determine

  total power available at the site.
 total units of energy available.
 load factory at the plant.
 diversity factor for the plant.

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Power Systems
The ratio of reset to pick up current for an induction cup relay is approximately

 1.0.
 1.35.
  0.99.
 0.75.

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Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 10
 100
 1
 5

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Power Systems
The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is

 LG
 LLL
 LLG
 LL

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