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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 1
 29
 19
 7

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Power Systems
Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§?

 160 Ω
 320 Ω
 400 Ω
 200 Ω

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Power Systems
The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

 immersed in water pool.
 encased thick metal wall.
 isolated from outside word with strong magnetic field.
  encased by thick concrete wall.

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Power Systems
The only place where slip ring induction motors used in thermal power plants is

  conveyors.
  none of above.
  coal handling plant.
  lubrication oil pumps.

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Power Systems
Units of incremental cost is

 MWhr/Rs
 RsMW/hr
 Rs/MWhr
 Rs/hr

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Power Systems
The insulation of modern EHV is designed based on

 corona.
 lightning voltage.
  switching voltage.
 RI.

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