Power Systems Which of the following method is used for changing power factor from leading to lagging any of the above shunt capacitor series capacitor shunt reactor any of the above shunt capacitor series capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 600 kV 400 kV 320 kv 500 kV 600 kV 400 kV 320 kv 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IN × Xn IR0 × Xn 3×IR0 × Xn both 1 and 3 IN × Xn IR0 × Xn 3×IR0 × Xn both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located Near the surge tank. In between the runner exhaust and the tail race. At the beginning of the penstock. In between the penstock and runner. Near the surge tank. In between the runner exhaust and the tail race. At the beginning of the penstock. In between the penstock and runner. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.6 1 0.75 0.5 0.6 1 0.75 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant All of these Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. Use of high pressure. All of these Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. Use of high pressure. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS