Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are suspension type pin type insulator any of the above strain type suspension type pin type insulator any of the above strain type ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are high. both operating and initial cost are low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.8 lag 0.8 lead 0.6 lag 0.6 lead 0.8 lag 0.8 lead 0.6 lag 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. 5th harmonic current. 7th harmonic current. 2nd harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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