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 transformers voltage ratings same transformers kVA ratings equal transformers transformation ratios same None of these transformers voltage ratings same transformers kVA ratings equal transformers transformation ratios same None of these ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Highest voltage for transmitting electrical power in India is (in 2008) 550 kV 765 kV 400 kV 700 kV 550 kV 765 kV 400 kV 700 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 decrease voltage and power factor both increase voltage decreases but power factor increases voltage increases but power factor decreases voltage and power factor both decrease voltage and power factor both increase 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 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 30 kV (maximum value)/cm 11 kV (rms value)/cm 22 kV (maximum value)/cm 6.6 kV (rms value)/cm 30 kV (maximum value)/cm ANSWER DOWNLOAD EXAMIANS APP
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