Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Kaplan. Impeller. Francis. Pelton. Kaplan. Impeller. Francis. Pelton. 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 kJ / S. W. kWh. HP. kJ / S. W. kWh. HP. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 10.5° 29° 35.5° 14.5° 10.5° 29° 35.5° 14.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? both 1 and 2 Applicable for large power system network Number of iterations are less Time taken for each iteration is less both 1 and 2 Applicable for large power system network Number of iterations are less Time taken for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB Sulphur hexafluoride CB Air blast CB Bulk oil type CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
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