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 Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 16 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 16 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are It requires less maintanance smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation All of these It requires less maintanance smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 82% 78% 80% 76% 82% 78% 80% 76% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? skin effect radio interference switching over voltage lighting voltage skin effect radio interference switching over voltage lighting voltage ANSWER DOWNLOAD EXAMIANS APP
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