Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in All of these overhead transmission lines underground cable communication lines All of these overhead transmission lines underground cable communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 82% 80% 78% 76% 82% 80% 78% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in all breakers. minimum oil breakers. air blast circuit breaker. bulk oil breakers. all breakers. minimum oil breakers. air blast circuit breaker. bulk oil breakers. 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 shunt reactor required for compensating ferranti effect? 500 Ω 2000 Ω 3000 Ω 1500 Ω 500 Ω 2000 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a None of above. Peak load station. Minimum load station. Base load station. None of above. Peak load station. Minimum load station. Base load station. ANSWER DOWNLOAD EXAMIANS APP
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