Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 800 Ω 200 Ω 160 Ω 400 Ω 800 Ω 200 Ω 160 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 66.66% 25% 33.33% 75% 66.66% 25% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the value of a729, where "a" is the operator α α² 1 0 α α² 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is 40.5 MVAr. 55.56 MVAr. 61.73 MVAr. 45 MVAr. 40.5 MVAr. 55.56 MVAr. 61.73 MVAr. 45 MVAr. 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 -0.76 Hz -0.85 Hz 0.76 Hz 0.85 Hz -0.76 Hz -0.85 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. relieve water hammer pressure in the penstock. supply water at constant pressure. produce surge in the pipeline. none of above. relieve water hammer pressure in the penstock. supply water at constant pressure. produce surge in the pipeline. ANSWER DOWNLOAD EXAMIANS APP
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