Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by superheater. condenser. feed water pump. turbine. superheater. condenser. feed water pump. turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To collect the dust particles from the flue gases All of these To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean To collect the dust particles from the flue gases All of these To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean ANSWER DOWNLOAD EXAMIANS APP
Power Systems In triangular configuration, inductance and capacitance values are ------ and ------ respectively higher, higher less, higher higher, less less, less higher, higher less, higher higher, less less, less 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
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? 2.9 kHz 29 kHz 29 MHz 290 kHz 2.9 kHz 29 kHz 29 MHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease increase remains same None of these decrease increase remains same None of these ANSWER DOWNLOAD EXAMIANS APP
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