POWER SYSTEMS QUIZ

 20 MW

 5 MW

 10 MW

 15 MW

 all of above.

  the difference of water level between the level in storage and tail race.

 the height of water level in the river where the storage is provided.

 the height of water level in the river where the tail race is provided.

 lowering the value of K below and keeping at that lowered value.

  raising the value of K above 1, but later bringing it back to K = 1.

 lowering the value of K below 1 but later bringing it back to K = 1.

 raising the value of K above 1 and keeping it at raised value.

 0.5 pu

 0.8 pu

 0.4 pu

 1 pu

 No need of same frequency for exchange of power

 Synchronous line

 both 1 and 2

 Asynchronous line

 400 Ω

 160 Ω

 200 Ω

 800 Ω

  noise increases.

  pressure increases.

  noise increases, pressure increases, velocity decreases.

None of these

 -0.92

 -0.56

 0.56

 0.92

 reduce ferranti effect

 improve power factor

 increase the voltage level

 compensation of arcing grounds

  40.5 MVAr.

 45 MVAr.

 55.56 MVAr.

 61.73 MVAr.