Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 7. 5. 3. 20. 7. 5. 3. 20. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.043 mH 1.182 mH 1.093 mH 1.232 mH 1.043 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers decrease system stability. reduces the short circuit current. increased the short circuit current. improves system stability. decrease system stability. reduces the short circuit current. increased the short circuit current. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is hydroelectric. steam power. nuclear. diesel power. hydroelectric. steam power. nuclear. diesel power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded ANSWER DOWNLOAD EXAMIANS APP
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