Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 100 : 5 / √3. 120 : 6 / √3. 200 : 5 / √3. 150 : 4 / √3. 100 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in propeller turbine. Pelton wheel. Kaplan turbine. Francis turbine. propeller turbine. Pelton wheel. Kaplan turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is zero. unity. leading. lagging. zero. unity. leading. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine None of above. Pelton turbine. Kaplan turbine. Francis turbine. None of above. Pelton turbine. Kaplan turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 20 MW 15 MW 5 MW 10 MW 20 MW 15 MW 5 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP