GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Reactance Relay Mho Relay Impedance Relay Over current Relay Reactance Relay Mho Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … Y primitive is a sparse matrix lines are connected to less no. of buses no of lines are less bus incidence matrix is a sparse matrix Y primitive is a sparse matrix lines are connected to less no. of buses no of lines are less bus incidence matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 kW 250 MW 1000 MW 400 MW 1000 kW 250 MW 1000 MW 400 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current circuit breakers are used load interrupter switches are used relays are used isolators are used circuit breakers are used load interrupter switches are used relays are used isolators are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 42 secs 4.2 years 4.2 hours 4.2 minutes 42 secs 4.2 years 4.2 hours 4.2 minutes 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 CTs and PTs bus bar circuit breaker transformer CTs and PTs bus bar circuit breaker transformer ANSWER DOWNLOAD EXAMIANS APP
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