Power Systems Lightning arresters are used to protect electrical equipment against direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Plain oil CB. Air break CB. Air blast CB. Minimum oil CB. Plain oil CB. Air break CB. Air blast CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no None of these shunt admittance mutual coupling both 1 and 2 None of these shunt admittance mutual coupling both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Water. Graphite. Beryllium. Heavy water. Water. Graphite. Beryllium. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines None of these power lines same in both cases communication lines None of these power lines same in both cases 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? 8113.27. 6114.05. 10000.32. 15515.22. 8113.27. 6114.05. 10000.32. 15515.22. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS