Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 1 F 4 F 2 F 0.5 F 1 F 4 F 2 F 0.5 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 50 MJ 500 MJ 10 MJ 5 MJ 50 MJ 500 MJ 10 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations emergency plants. All of these standby plants. peak load plant. emergency plants. All of these standby plants. peak load plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the value of a729, where "a" is the operator α² α 0 1 α² α 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 20 kV 83.76 kV 48.36 kV 52.84 kV 20 kV 83.76 kV 48.36 kV 52.84 kV ANSWER DOWNLOAD EXAMIANS APP