GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? emergency lighting circuits provide supply to the excitation system operating automatic control circuits operating protective relay systems emergency lighting circuits provide supply to the excitation system operating automatic control circuits operating protective relay systems ANSWER DOWNLOAD EXAMIANS APP
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 200 150 100 300 200 150 100 300 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 hours 4.2 minutes 42 secs 4.2 years 4.2 hours 4.2 minutes 42 secs 4.2 years ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 105˚C 130˚C 180˚C 150˚C 105˚C 130˚C 180˚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
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Over current Relay Mho Relay Impedance Relay Reactance Relay Over current Relay Mho Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Kathakali' is a folk dance prevalent in which state? Orissa Karnataka Kerala Andhra Pradesh Orissa Karnataka Kerala Andhra Pradesh ANSWER DOWNLOAD EXAMIANS APP