Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT current transformer lightning arrester circuit breaker CVT current transformer lightning arrester circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of any of the above star connected with grounding network star connected network delta connected network any of the above star connected with grounding network star connected network delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 100 kV. 50 kV. 200 kV. 400 kV. 100 kV. 50 kV. 200 kV. 400 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 95.5 102.5 85.5 105.2 95.5 102.5 85.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as product of efficiencies of all stages. turbine efficiency. generator efficiency. efficiency of thermal cycle. product of efficiencies of all stages. turbine efficiency. generator efficiency. efficiency of thermal cycle. ANSWER DOWNLOAD EXAMIANS APP