Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.35. 1.0. 0.99. 0.75. 1.35. 1.0. 0.99. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5.353 pu 5 pu 7 pu 3.535 pu 5.353 pu 5 pu 7 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Peterson coil. Resistance. Reactance. Solid. Peterson coil. Resistance. Reactance. Solid. 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 Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of short lines. none of these. medium lines. long lines. short lines. none of these. medium lines. long lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the total installed power capacity (MW) in West Bengal as published by ministry of power in 2011? 10000.32. 8113.27. 6114.05. 15515.22. 10000.32. 8113.27. 6114.05. 15515.22. ANSWER DOWNLOAD EXAMIANS APP