Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control All of these flat frequency control parallel frequency flat tie line control All of these flat frequency control parallel frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as turbine efficiency. efficiency of thermal cycle. product of efficiencies of all stages. generator efficiency. turbine efficiency. efficiency of thermal cycle. product of efficiencies of all stages. generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to remove dissolved gases in water. remove dissolved. heat the feed water. heat the steam. remove dissolved gases in water. remove dissolved. heat the feed water. heat the steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? delta-delta delta-star star-delta star-star delta-delta delta-star star-delta star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Over current relay Differential relay Over fluxing relay Buchholz relay Over current relay Differential relay Over fluxing relay 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 reflected voltage? 18.18 kV -18.18 kV 81.82 kV -81.82 kV 18.18 kV -18.18 kV 81.82 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS