GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 100 0.5 1 10 100 0.5 1 10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it should be the largest generator bus in the system it should be located at the centre of the area voltage and angle is specified at this bus it has finite reactive power generation capability it should be the largest generator bus in the system it should be located at the centre of the area voltage and angle is specified at this bus it has finite reactive power generation capability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ full load 1/2 load no load 3/4 load full load 1/2 load no load 3/4 load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current isolators are used load interrupter switches are used relays are used circuit breakers are used isolators are used load interrupter switches are used relays are used circuit breakers are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle always less greater than or equal to lesser than or equal to same always less greater than or equal to lesser than or equal to same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Over current Relay Impedance Relay Mho Relay Reactance Relay Over current Relay Impedance Relay Mho Relay Reactance Relay ANSWER DOWNLOAD EXAMIANS APP
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