Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Geothermal. Wind. Solar. Tidal. Geothermal. Wind. Solar. Tidal. ANSWER DOWNLOAD EXAMIANS APP
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 1000 10 0.1 0.001 1000 10 0.1 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 500 kV 320 kv 600 kV 400 kV 500 kV 320 kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is hydroelectric. nuclear. diesel power. steam power. hydroelectric. nuclear. diesel power. steam power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as long transmission line shunt capacitor any of the above medium transmission line long transmission line shunt capacitor any of the above medium transmission line ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS