Power Systems Isolator in sub station is open under ------------- condition? full load no load any of the above short circuit full load no load any of the above short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase synchronous motor Three phase induction motor DC shunt motor DC series motor Three phase synchronous motor Three phase induction motor DC shunt motor DC series motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the kinetic energy of the running water is fully utilized. firm capacity of plant is increased. operating head is controlled. pressure inside the turbine casing remains. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. operating head is controlled. pressure inside the turbine casing remains. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as the time required for full of atoms in a specimen disintegrate. the time required to spiliting of a heavy nucleus. none of above. the time required for one half of isotope to decay. the time required for full of atoms in a specimen disintegrate. the time required to spiliting of a heavy nucleus. none of above. the time required for one half of isotope to decay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. ANSWER DOWNLOAD EXAMIANS APP