Power Systems In which of the following given faults, all the sequence currents are equal? LL LLL LG LLG LL LLL LG LLG 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 Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor immersed in water pool. isolated from outside word with strong magnetic field. encased thick metal wall. encased by thick concrete wall. immersed in water pool. isolated from outside word with strong magnetic field. encased thick metal wall. encased by thick concrete wall. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under excited Synchronous phase modifier works as shunt capacitor any of the above series capacitor shunt reactor shunt capacitor any of the above series capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
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)? 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
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