Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 32 m/s 0.0312 m/s 159.24 m/µs 159.24 m/s 32 m/s 0.0312 m/s 159.24 m/µs 159.24 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase inductance decrease capacitance decrease inducatance increase capacitance increase inductance decrease capacitance decrease inducatance increase capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. None of these. Breaking speed. Both A and C. Critical length of breaking. None of these. Breaking speed. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LLL LG LL LLG LLL LG LL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by Using bundled conductors All of these Using series capacitance Parallel transmission lines Using bundled conductors All of these Using series capacitance Parallel transmission lines 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 incident current? 200 A 2500 A 100 A 250 A 200 A 2500 A 100 A 250 A ANSWER DOWNLOAD EXAMIANS APP