Power Systems The most commonly used material for insulators of overhead lines is PVC glass porcelain mica PVC glass porcelain mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 22.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false In a nuclear reactor, multiplication factor is kept almost equal to one. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. In nuclear power plants, chain reaction is controlled by cadmium rods. In a nuclear reactor, multiplication factor is kept almost equal to one. A thermal reactor needs a moderator material. Nuclear power plants are used as peak load plants only. In nuclear power plants, chain reaction is controlled by cadmium rods. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant chances of the tripping of the system decrease the operating cost of the steam plant become optimum All of these load factor of the steam plant is increased chances of the tripping of the system decrease the operating cost of the steam plant become optimum All of these load factor of the steam plant is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 82.15 kV/phase 41.075 kV/phase 34.64 kV/phase 17.32 kV/phase 82.15 kV/phase 41.075 kV/phase 34.64 kV/phase 17.32 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The term self GMD is used to calculate inductance capacitance resistance both 1 and 2 inductance capacitance resistance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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