Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 10 MW 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW 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? 2500 A 100 A 200 A 250 A 2500 A 100 A 200 A 250 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. Nitrogen cooling. Oxygen cooling. None of these. Hydrogen cooling. Nitrogen cooling. Oxygen cooling. None of these. 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 shunt reactor required for compensating ferranti effect? 500 Ω 2000 Ω 3000 Ω 1500 Ω 500 Ω 2000 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to 1 / V. V2. V. 1 / V2. 1 / V. V2. V. 1 / V2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always lagging the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. leading the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
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