Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 20 sec. 10 sec. none of these. 5 sec. 20 sec. 10 sec. none of these. 5 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a medium head turbine. low head turbine. none of above. high head turbine. medium head turbine. low head turbine. none of above. high head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 4 MJ/MVA 6 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 6 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line medium transmission line short transmission line any of the above long transmission line medium transmission line short transmission line any of the above long transmission line 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? 85% 88.2% 11.8% 15% 85% 88.2% 11.8% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference switching over voltage skin effect lighting voltage radio interference switching over voltage skin effect lighting voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS