Power Systems Oxide film arrestor has which of the following properties? Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 1200 A. 3600 A. 35 kA. 104.8 kA. 1200 A. 3600 A. 35 kA. 104.8 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation generation excitation control shunt capacitor series capacitor All of these generation excitation control shunt capacitor series capacitor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? All of these calculation time is less memory required is less only one equation is required All of these calculation time is less memory required is less only one equation is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to absorb neutrons. reduce temperature. reduce the speed of neutrons. stop chain reaction. absorb neutrons. reduce temperature. reduce the speed of neutrons. stop chain reaction. ANSWER DOWNLOAD EXAMIANS APP
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