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. 3 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to absorb the fast neutron. protected the operating personal from exposure to radiations. All of these prevent the reactor wall from getting heated. absorb the fast neutron. protected the operating personal from exposure to radiations. All of these prevent the reactor wall from getting heated. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? All of these flat tie line control flat frequency control parallel frequency All of these flat tie line control flat frequency control parallel frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce ferranti effect skin effect proximity effect radio interference ferranti effect skin effect proximity effect radio interference ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by None of above. Steam accumulator. Diesel engine. Hydraulic turbine. None of above. Steam accumulator. Diesel engine. Hydraulic turbine. ANSWER DOWNLOAD EXAMIANS APP