Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.001 0.1 10 1000 0.001 0.1 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are strain type pin type insulator suspension type any of the above strain type pin type insulator suspension type any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Highest pressure generating pump inside the thermal plant is boiler feed pump high pressure heater All of these low pressure heater boiler feed pump high pressure heater All of these low pressure heater ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only None of these long transmission lines only short transmission lines only medium transmission lines only None of these long transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines Pelton and Kaplan turbines. Francis and Kaplan turbines. None of above. Kaplan and Francis turbines. Pelton and Kaplan turbines. Francis and Kaplan turbines. None of above. Kaplan and Francis turbines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 50 Hz 0.52 Hz -0.52 Hz 0.48 Hz 50 Hz 0.52 Hz -0.52 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP