Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is two - thirds of maximum. zero. one - third of minimum. one - third of maximum. two - thirds of maximum. zero. one - third of minimum. one - third of maximum. 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 A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 42° 90° 36° 45° 42° 90° 36° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. 45 MVAr. 55.56 MVAr. 40.5 MVAr. 61.73 MVAr. 45 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to reduce the speed of neutrons. reduce temperature. stop chain reaction. absorb neutrons. reduce the speed of neutrons. reduce temperature. stop chain reaction. absorb neutrons. 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 -0.76 Hz 0.85 Hz 0.76 Hz -0.85 Hz -0.76 Hz 0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
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