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Power Systems

Power Systems
Find the value of a729, where "a" is the operator

 α²
 1
 0
 α

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Power Systems
An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance?

 0.025 mH/Km
 0 mH/Km
 0.05 mH/Km
 0.1 mH/Km

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Power Systems
Maximum power capacity of a transmission line can be increased by

 increasing voltage level
 either 1 or 2
 decreasing reactance value
 nether 1 nor 2

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Power Systems
Critical mass of the fuel is the amount required to make the multiplication factor

  equal to factor.
 less than 1.
 0.5.
 more than 1.

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Power Systems
The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is

 0.2 pu
 4 pu
 0.5 pu
 2 pu

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Power Systems
The 1st nuclear plant in world was commissioned in

 U.K.
  U.S.S.R.
  U.S.A.
  UAE.

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