Power Systems Earthing switch is used for All of these measuring of safety voltage discharging residual energies protection of equipment from ground faults All of these measuring of safety voltage discharging residual energies protection of equipment from ground faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is lightly loaded The power factor is unity The line is fully loaded The line is heavily loaded The line is lightly loaded The power factor is unity The line is fully loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? liquid sodium beryllium graphite All of these liquid sodium beryllium graphite All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5500 MVA. 5100 MVA. 5000 MVA. 5200 MVA. 5500 MVA. 5100 MVA. 5000 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 5 2000 0.22 0.4 5 2000 0.22 0.4 ANSWER DOWNLOAD EXAMIANS APP