Power Systems Pin insulators are used up to 33 kV any voltage level 120 kV 11 kV 33 kV any voltage level 120 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro magnetic induction both 1 and 2 electro static induction None of these electro magnetic induction both 1 and 2 electro static induction None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of delta connected network star connected with grounding network any of the above star connected network delta connected network star connected with grounding network any of the above star connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.85 Hz -0.85 Hz 0.76 Hz -0.76 Hz 0.85 Hz -0.85 Hz 0.76 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 600 kV 400 kV 320 kv 500 kV 600 kV 400 kV 320 kv 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the feed water. remove dissolved. heat the steam. remove dissolved gases in water. heat the feed water. remove dissolved. heat the steam. remove dissolved gases in water. ANSWER DOWNLOAD EXAMIANS APP
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