Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 10% 6.92% -6.92% -10% 10% 6.92% -6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver any of the above silicon oxide copper silver any of the above silicon oxide copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in lignite coal. bituminous coal. anthracite coal. coal gas. lignite coal. bituminous coal. anthracite coal. coal gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false In nuclear power plants, chain reaction is controlled by cadmium rods. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. Nuclear power plants are used as peak load plants only. In a nuclear reactor, multiplication factor is kept almost equal to one. A thermal reactor needs a moderator material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? average any of the above maximum RMS average any of the above maximum RMS ANSWER DOWNLOAD EXAMIANS APP