Power Systems The power station that does not requier any moving part is Solar power generation. Wind power generation. Thermonic convertor. Tidal power generation. Solar power generation. Wind power generation. Thermonic convertor. Tidal power generation. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rating of fuse wire is expressed in Ω. Watts. Ampere. Mho. Ω. Watts. Ampere. Mho. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 30.28 kV 29.28 kV 28.28 kV 31.28 kV 30.28 kV 29.28 kV 28.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 9.68 4.68 msec 1.47 msec 2.63 msec 9.68 4.68 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. Buchholz relay. Mho relay. IDMT relay. Impedance relay. Buchholz relay. Mho relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
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