Power Systems Ships are usually supplied power by Steam accumulator. Hydraulic turbine. Diesel engine. None of above. Steam accumulator. Hydraulic turbine. Diesel engine. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to energy load curve. mass curve. load curve. both B and C. energy load curve. mass curve. load curve. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on frequency relative permeability All of these conductivity frequency relative permeability All of these conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 85% 88.2% 15% 11.8% 85% 88.2% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of medium transmission lines only short transmission lines only All of these long transmission lines only medium transmission lines only short transmission lines only All of these long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
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