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. 20. 3. 5. 7. 20. 3. 5. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is any of the above infinity maximum zero any of the above infinity maximum zero ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is zero. leading. unity. lagging. zero. leading. unity. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for less surge impedance more surge impedance proper discharging of lighting surges reduce losses less surge impedance more surge impedance proper discharging of lighting surges reduce losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits All of these protection of equipment from open circuits protection of equipment from external lightning protection of equipment from short circuits All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP