Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 500 MVA 100 MVA 200 MVA 400 MVA 500 MVA 100 MVA 200 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operator "a" rotates a vector nether 1 nor 2 either 1 or 2 anti clock wise direction clock wise direction nether 1 nor 2 either 1 or 2 anti clock wise direction clock wise direction ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is fully loaded The power factor is unity The line is lightly loaded The line is heavily loaded The line is fully loaded The power factor is unity The line is lightly loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? All of these To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases To keep the air heaters clean All of these To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases To keep the air heaters clean ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 4 20 10 8 4 20 10 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Impeller. Francis. Pelton. Kaplan. Impeller. Francis. Pelton. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
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