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 0.01 -2.5% 2.5% zero 0.01 -2.5% 2.5% ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In the parallel operation of transformers, which statement is false None of these transformers transformation ratios same transformers voltage ratings same transformers kVA ratings equal None of these transformers transformation ratios same transformers voltage ratings same transformers kVA ratings equal ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Highest voltage for transmitting electrical power in India is (in 2008) 765 kV 700 kV 550 kV 400 kV 765 kV 700 kV 550 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as 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 voltage and power factor both increase voltage and power factor both decrease voltage decreases but power factor increases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Corona usually occurs when the electrostatic stress in the air around the conductor succeeds 11 kV (rms value)/cm 30 kV (maximum value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 11 kV (rms value)/cm 30 kV (maximum value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS