Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference skin effect lighting voltage switching over voltage radio interference skin effect lighting voltage switching over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? RMS any of the above maximum average RMS any of the above maximum average ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-delta star-star star-delta delta-star delta-delta star-star star-delta delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems In what from the initial energy will be released for the 200 MeV per fission by a neutron in a slow thermal nuclear reactor electromagnetic radiations. kinetic energy and sound energy. kinetic energy of particles and electromagnetic radiation. heat energy. electromagnetic radiations. kinetic energy and sound energy. kinetic energy of particles and electromagnetic radiation. heat energy. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.76 Hz -0.85 Hz 0.85 Hz 0.76 Hz -0.76 Hz -0.85 Hz 0.85 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
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