GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current leading by 90˚ lagging by 90˚ none of these in phase leading by 90˚ lagging by 90˚ none of these in phase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) If the folt current is 2000 A, the relay setting is 50 percent & CT ratio is 400/5, the plug setting multiplier is 15 50 25 10 15 50 25 10 ANSWER DOWNLOAD EXAMIANS APP
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) Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are purely reactive in inverse ratio of their ratings in direct ratio of their ratings equal purely reactive in inverse ratio of their ratings in direct ratio of their ratings equal ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following connection of transformer will give the highest secondary voltage? Delta primary, delta secondary star primary, delta secondary Delta primary, star secondary star primary, star secondary Delta primary, delta secondary star primary, delta secondary Delta primary, star secondary star primary, star secondary ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause short circuiting of primary winding reduction in heat dissipation corrosion of core material short circuiting of secondary winding short circuiting of primary winding reduction in heat dissipation corrosion of core material short circuiting of secondary winding ANSWER DOWNLOAD EXAMIANS APP
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