Power Systems Which of the following is a reaction turbines Pelton turbine and Francis turbine. Francis turbine and Kaplan turbine. None of these. Kaplan and Pelton turbine. Pelton turbine and Francis turbine. Francis turbine and Kaplan turbine. None of these. Kaplan and Pelton turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? None of these both 1 and 2 electro magnetic induction electro static induction None of these both 1 and 2 electro magnetic induction electro static induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.83. 0.25. 1.3. 0.44. 0.83. 0.25. 1.3. 0.44. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance increase None of these remains unaffected decrease increase None of these remains unaffected decrease ANSWER DOWNLOAD EXAMIANS APP