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 incident current? 200 A 2500 A 250 A 100 A 200 A 2500 A 250 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 2.90 kW 9.81 kW 4.45 kW 19.60 kW 2.90 kW 9.81 kW 4.45 kW 19.60 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of short transmission lines only long transmission lines only medium transmission lines only any line short transmission lines only long transmission lines only medium transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the penalty factor of a plant is unity, its incremental transmission loss is 1 -1 None of these 0 1 -1 None of these 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Reservoir. Fore bay. Spillways. Penstock. Reservoir. Fore bay. Spillways. Penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 4 20 8 10 4 20 8 10 ANSWER DOWNLOAD EXAMIANS APP