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. 16. 24. 6. 12. 16. 24. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end shunt reactor at receiving end All of these shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kWh. kJ / S. HP. W. kWh. kJ / S. HP. W. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is the height of water level in the river where the storage is provided. all of above. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. all of above. the height of water level in the river where the tail race is provided. the difference of water level between the level in storage and tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Z bus method Y bus method either 1 or 2 None of these Z bus method Y bus method either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP