GETCO Exam Paper (30-11-2008) In a transformer it is difficult to measure the efficiency by output-input measurement methods because output is out of phase with respect to input efficiency of transformer is usually high and hence extremely accurate measurements will be necessary the output is sinusoidal and hence cannot be measured losses are abnormally high output is out of phase with respect to input efficiency of transformer is usually high and hence extremely accurate measurements will be necessary the output is sinusoidal and hence cannot be measured losses are abnormally high ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to both frequency and tie line load changes frequency changes only tie line voltage changes only tie line load changes only both frequency and tie line load changes frequency changes only tie line voltage changes only tie line load changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Burden of the relay is _____ rating of relay volt-amp. voltage watt current volt-amp. voltage watt current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The effect of wind pressure is more predominant on insulator transmission lines supporting towers neutral wires insulator transmission lines supporting towers neutral wires ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The recovery voltage will be maximum for p.f. of zero unity 0.707 0.5 zero unity 0.707 0.5 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Steady - state stability limit of a power system means that the system is capable of maintaining the frequency at 50 Hz exactly All of these synchronism between machines and on external tie lines a constant power flow throughout the frequency at 50 Hz exactly All of these synchronism between machines and on external tie lines a constant power flow throughout ANSWER DOWNLOAD EXAMIANS APP