Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 24. 6. 16. 12. 24. 6. 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Hydro-graph is similar to energy load curve. mass curve. load curve. both B and C. energy load curve. mass curve. load curve. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. maximum mass of fissionable material required to sustain a chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. relieve water hammer pressure in the penstock. produce surge in the pipeline. supply water at constant pressure. none of above. relieve water hammer pressure in the penstock. produce surge in the pipeline. supply water at constant pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of long transmission lines only short transmission lines only medium transmission lines only All of these long transmission lines only short transmission lines only medium transmission lines only All of these ANSWER DOWNLOAD EXAMIANS APP