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Power Systems

Power Systems
A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand?

 1.5 cm
 5 cm
 1 cm
 15 cm

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Power Systems
What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes

  79.33 %.
 78.96 %.
 80.25 %.
  74.56 %.

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

 10.
 20.
  5.
 55.1.

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Power Systems
Specified quantities of load bus are

 P and δ
 Q and V
 V and δ
 P and Q

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Power Systems
A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity?

 750 MW
 250 MW
 500 MW
 1250 MW

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

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

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