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Power Systems

Power Systems
Switchgear equipment include

  fuses.
  all of these.
  switches.
  relays and CB.

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Power Systems
In a long transmission line, if we increase the length of the line, the parameters A and B respectively

 increases and decreases
 increases and increases
 decreases and decreases
 decreases and increases

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Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.75
 0.25
 0.5
 0.4

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 0.25
 0.75
 1
 0.5

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Power Systems
A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 %

 4.06 × 106 kWh.
 3 × 106 kWh.
 5 × 106 kWh.
  2.044 × 106 kWh.

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Power Systems
Operating time of pumped storage plant is

 very high
 low
 can't say
 high

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