Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 50 kA. 35 kA. 55 kA. 45 kA. 50 kA. 35 kA. 55 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 2 6 5 8 2 6 5 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. total power available at the site. load factory at the plant. total units of energy available. diversity factor for the plant. total power available at the site. load factory at the plant. total units of energy available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is none of above. conveyors. coal handling plant. lubrication oil pumps. none of above. conveyors. coal handling plant. lubrication oil pumps. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, tension decrease neither 1 nor 2 both 1 and 2 sag increase tension decrease neither 1 nor 2 both 1 and 2 sag increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is not base load power plant Diesel. Pump storage. Nuclear. Run water. Diesel. Pump storage. Nuclear. Run water. ANSWER DOWNLOAD EXAMIANS APP