GETCO Exam Paper (30-11-2008) The voltage regulation of a transformer at full load and 0.8 power factor lagging is 2.5%. The voltage regulation at full load, 0.8 power factor leading will be zero -2.5% 2.5% 0.01 zero -2.5% 2.5% 0.01 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transient stability of a power system depends on the short circuit ratio of generating units All of these the strength of transmission network fault-clearing time the short circuit ratio of generating units All of these the strength of transmission network fault-clearing time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage and power factor both increase voltage and power factor both decrease voltage decreases but power factor increases voltage increases but power factor decreases voltage and power factor both increase voltage and power factor both decrease voltage decreases but power factor increases voltage increases but power factor decreases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Dynamic stability characteristics are predominant in the period between the time the governors start reacting and when the steady-state stability is reached both (b) & (c ) immediately following a loss of load while governor is in action between the time the governors start reacting and when the steady-state stability is reached both (b) & (c ) immediately following a loss of load while governor is in action ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Interconnected power systems operating with "tie line bias" will respond to tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only tie line voltage changes only frequency changes only both frequency and tie line load changes tie line load changes only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 22 kV (maximum value)/cm 11 kV (rms value)/cm 6.6 kV (rms value)/cm 30 kV (maximum value)/cm 22 kV (maximum value)/cm 11 kV (rms value)/cm 6.6 kV (rms value)/cm 30 kV (maximum value)/cm ANSWER DOWNLOAD EXAMIANS APP
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