Power Systems The most suitable circuit breaker for short line fault without switching resistor is none of these. air blast circuit breaker. SF6 breaker. oil circuit breaker. none of these. air blast circuit breaker. SF6 breaker. oil circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.60 0.0060 0.0030 0.30 0.60 0.0060 0.0030 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? 6114.05. 8113.27. 10000.32. 15515.22. 6114.05. 8113.27. 10000.32. 15515.22. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 1 F 0.5 F 2 F 4 F 1 F 0.5 F 2 F 4 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5100 MVA. 5200 MVA. 5000 MVA. 5500 MVA. 5100 MVA. 5200 MVA. 5000 MVA. 5500 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is used in thermal plants Rankine cycle Joule cycle All of these Otto cycle Rankine cycle Joule cycle All of these Otto cycle ANSWER DOWNLOAD EXAMIANS APP