Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching

  air blast.
  SF6.
  vacuum.
  oil.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
An hydro-graph indicates

 the maximum and minimum run off during the period.
 the average run off during the period.
All of these
 the discharge at any time during the period under consideration.

ANSWER DOWNLOAD EXAMIANS APP