Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have 0.707 leading power factor zero power factor 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor 0.707 lagging power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. settling time. coasting time. stopping time. damping time. settling time. coasting time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 2.5 MJ/MVA 15 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The modern trend in electric power generation to have large number of small size thermal plants located at different places. to have large size thermal plants near load centre. none of above. to have large size thermal plant located near coal fields. to have large number of small size thermal plants located at different places. to have large size thermal plants near load centre. none of above. to have large size thermal plant located near coal fields. 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 Charging current under no load? 1.144∠90° A/phase 0.344∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase 1.144∠90° A/phase 0.344∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum most economical as a peak load supply plant used as load frequency control All of these operating time is minimum most economical as a peak load supply plant used as load frequency control All of these ANSWER DOWNLOAD EXAMIANS APP
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