Power Systems Fault calculations using computer are usually done by Z bus method Y bus method None of these either 1 or 2 Z bus method Y bus method None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides remote protection. back up protection. primary protection. simultaneous protection. remote protection. back up protection. primary protection. simultaneous protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on relative permeability distance between the conductors frequency All of these relative permeability distance between the conductors frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 160 Ω 800 Ω 200 Ω 400 Ω 160 Ω 800 Ω 200 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are All of these High thermal conductivity High dielectric strength Non flammable All of these High thermal conductivity High dielectric strength Non flammable ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
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