Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 2 5 4 8 2 5 4 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Buchholz relay. Impedance relay. IDMT relay. Mho relay. Buchholz relay. Impedance relay. IDMT relay. Mho relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB Sulphur hexafluoride CB Vacuum CB Bulk oil type CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Fuel or solar cell. Both A and C. MHD generator. Thermal converters. Fuel or solar cell. Both A and C. MHD generator. Thermal converters. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? average RMS any of the above peak value average RMS any of the above peak value ANSWER DOWNLOAD EXAMIANS APP
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