Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 48.36 kV 20 kV 83.76 kV 52.84 kV 48.36 kV 20 kV 83.76 kV 52.84 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? graphite beryllium heavy water All of these graphite beryllium heavy water All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Breaking speed. Both A and C. Critical length of breaking. None of these. Breaking speed. Both A and C. Critical length of breaking. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by superheater. feed water pump. turbine. condenser. superheater. feed water pump. turbine. condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a null matrix full matrix sparse matrix unit matrix null matrix full matrix sparse matrix unit matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is zero maximum any of the above infinity zero maximum any of the above infinity ANSWER DOWNLOAD EXAMIANS APP
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