Power Systems In hydroelectric power plants both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. operating cost is low and initial cost is high. both operating and initial cost are high. operating cost is high and initial cost is low. both operating and initial cost are low. operating cost is low and initial cost is high. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as any of the above long transmission lines short transmission lines medium transmission lines any of the above long transmission lines short transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 2.9 kHz 29 MHz 29 kHz 290 kHz 2.9 kHz 29 MHz 29 kHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect carona proximity effect All of these skin effect carona proximity effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? conductance capacitance inductance both 1 and 2 conductance capacitance inductance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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