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 2.5% zero -2.5% 0.01 2.5% zero -2.5% 0.01 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In the parallel operation of transformers, which statement is false transformers voltage ratings same None of these transformers transformation ratios same transformers kVA ratings equal transformers voltage ratings same None of these transformers transformation ratios 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) 700 kV 765 kV 550 kV 400 kV 700 kV 765 kV 550 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage and power factor both increase voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both decrease voltage and power factor both increase voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both decrease 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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