GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 100 300 150 200 100 300 150 200 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) During the insulation co-ordination in the sub station, the lowest insulation strength is at transformer circuit breaker bus bar CTs and PTs transformer circuit breaker bus bar CTs and PTs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle lesser than or equal to greater than or equal to always less same lesser than or equal to greater than or equal to always less same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the power factor Improve the voltage control Improve the dynamic stability Improve the reactive power control Improve the power factor Improve the voltage control Improve the dynamic stability Improve the reactive power control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 minutes 4.2 years 4.2 hours 42 secs 4.2 minutes 4.2 years 4.2 hours 42 secs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 180˚C 130˚C 105˚C 150˚C 180˚C 130˚C 105˚C 150˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180
EXAMIANS