Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 2 mm. 0.4 mm. 0.2 mm. 4 mm. 2 mm. 0.4 mm. 0.2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers increased the short circuit current. decrease system stability. improves system stability. reduces the short circuit current. increased the short circuit current. decrease system stability. improves system stability. reduces the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage radio interference lighting voltage skin effect switching over voltage radio interference lighting voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Thermonic convertor. Wind power generation. Solar power generation. Tidal power generation. Thermonic convertor. Wind power generation. Solar power generation. Tidal power generation. 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? 500 kV 400 kV 320 kv 600 kV 500 kV 400 kV 320 kv 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 2.0 kV / μs. 12.2 kV / μs. 10.01 kV / μs. 9.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 10.01 kV / μs. 9.01 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
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