Power Systems Which of the following circuit breakers produce least arc energy? Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 1600 MW 800 MW 400 MW 200 MW 1600 MW 800 MW 400 MW 200 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will decreases remains unaffected any of the above increases decreases remains unaffected any of the above increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 160 Ω 320 Ω 400 Ω 200 Ω 160 Ω 320 Ω 400 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 720 MW 30 MW 50 MW 72 MW 720 MW 30 MW 50 MW 72 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 10 sec. 5 sec. none of these. 20 sec. 10 sec. 5 sec. none of these. 20 sec. ANSWER DOWNLOAD EXAMIANS APP
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