Power Systems Lightning arresters are made up of which material? copper silver silicon oxide any of the above copper silver silicon oxide any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include all of these. fuses. switches. relays and CB. all of these. fuses. switches. relays and CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" < X' > X X" > X' >X X" > X' < X X" < X' < X X" < X' > X X" > X' >X X" > X' < X X" < X' < X ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.125 pu. 0.075 pu. 0.200 pu. 3.000 pu. 0.125 pu. 0.075 pu. 0.200 pu. 3.000 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 30.6 Kv 18.18 kV 36. 36 kV 100 kV 30.6 Kv 18.18 kV 36. 36 kV 100 kV ANSWER DOWNLOAD EXAMIANS APP